Study ID | ref | Before the COVID-19 | During the COVID-19 | Country | relative changea | Quality | |||||
---|---|---|---|---|---|---|---|---|---|---|---|
number of total cases | number of events | Time frame | number of total cases | number of events | Time frame | ||||||
DKA rate in T1DM | Atlas al. | [30] | 204 | 86 | 2020 | 58 | 30 | 2017–2019 | Australia | 0.81% | good |
Ponmani al. | [31] | 150 | 49 | January and July, 2020 | 178 | 79 | 2019 | UK | 1.03% | good | |
Rabbone al. | [32] | 208 | 86 | 2020 | 160 | 61 | 20 February and 14 April 2019 | Italia | 0.51% | good | |
Kamrath et al. | [33] | 959 | 233 | March 13 to May 13 2020 | 532 | 238 | 2019 and 2018 | Germany | 1.6% | good | |
Bogale et al. | [34] | 370 | 172 | 03/01/2020- and 09/14/2020 | 42 | 19 | 1/1/2017 to 2/28/2020 | USA | 0.51% | good | |
Ho et al. | [35] | 114 | 52 | March 17 to August 31, 2020 | 107 | 73 | 2019 | Canada | 1.04% | good | |
Gera al. | [36] | 31 | 13 | 2020 | 33 | 21 | 1 March to 30 June, 2019 | USA | 1.1% | fair | |
Lawrence al. | [37] | 42 | 11 | March to May,2020 | 11 | 8 | 2015–2019 | Australia | 2.51% | good | |
Vassospasm rate in CT angiography | Fiorindi et al. | [38] | 179 | 14 | March 9 to May 10, 2017–2018-2019 | 72 | 13 | March 9 to May 10, 2020 | Italy | 2.23% | fair |
Aboukaïs et al. | [39] | 28 | 21 | March 1st, 2019 and April 26th, 2019 | 26 | 24 | March 1st, 2019 and April 26th, 2020 | France | 0.48% | good | |
Orchiectomy rate in testicular torsion | Nelson et al. | [40] | 77 | 13 | 1 January 2018–29 February 2020 | 17 | 5 | 1 March 2020–31 May 2020 | USA | 1.57% | good |
Littman et al. | [41] | 47 | 21 | 2015 to 2019 | 20 | 5 | March 15, 2020 to May 4, 2020 | USA | 0.11% | good | |
Pogorelić et al. | [42] | 68 | 11 | January 1st, 2019 to March 10th, 2020 | 51 | 22 | March 11th, 2020 to December 31st, 2020 | Croatia | 2.5% | good | |
Holzman et al. | [43] | 137 | 40 | January 2019 through February 2020 | 84 | 34 | March through July 2020 | USA | 1.09% | good | |
Lee et al. | [44] | 55 | 18 | 3/11/2018 to 10/1/2019 | 27 | 12 | 3/11/2020 to 10/1/2020 | USA | 1.03% | good | |
Shields | [45] | 79 | 30 | March 1, 2015-December 31, 2019 | 38 | 19 | March 1, 2020-December 31, 2020 | USA | 0.94% | good | |
rt-PA reciving rate in CVA patients | Xu et al. | [46] | 153 | 53 | December 1, 2019, and January 30, 2020 | 99 | 29 | February 1, 2020, and March 31, 2020 | China | 0.5% | good |
Velilla-Alonso et al. | [47] | 112 | 65 | March 14 to May 14, 2019 | 83 | 36 | March 14 to May 14, 2020 | Spain | 0.17% | good | |
Aref et al. | [48] | 118 | 17 | whole study in December 7, 2019 and May 10, 2020; not clearly addresed | 136 | 31 | whole study in December 7, 2019 and May 10, 2020; not clearly addresed | Egypt | 1.44% | fair | |
Roushdy. et al. | [49] | 151 | 16 | February 15 to april 3, 2019 | 93 | 20 | February 15 to april 3, 2021 | Egypt | 1.92% | good | |
Katsanos et al. | [50] | 8 | March 17- april 30, 2019 | 12 | March 17- april 30, 2020 | Canada | fair | ||||
Teo et al. | [51] | 89 | 64 | January 23, 2020–March 24, 2019 | 73 | 40 | January 23, 2020–March 24, 2020 | Hong Kong | 0.04% | good | |
Padmanabhan et al. | [52] | 167 | 22 | March 15th and April 14th, 2019 | 101 | 11 | March 15th and April 14th, 2020 | UK | 0.69% | good | |
D’Anna et al. | [53] | 283 | 46 | 23rd March to 30th June 2019 | 235 | 27 | 23rd March to 30th June 2020 | UK | 0.54% | good | |
Paliwal. et al. | [54] | 206 | 25 | from 1st November 2019 to 7th February 2020 | 144 | 24 | from 7th February to 30th April 2020 | Singapore | 1.25% | good | |
Tejada Meza et al. | [55] | 492 | 178 | March 9–May 3, 2020 | 304 | 97 | December 30, 2019 - March 9, 2020 | Spain | 0.52% | good | |
Agarwal et al. | [56] | 634 | 195 | 6/1/2019–2/29/2020 | 120 | 38 | 03/012020–05/152020 | US | 0.72% | good | |
Wallace et al. | [57] | 2692 | 335 | Jan 1–Feb 29, 2020 | 1225 | 149 | Mar 20–Apr 25, 2020 | US | 0.85% | good | |
Wu et al. | [58] | 2354 | 1199 | 01/24/2019 to 04/29/2019 | 1281 | 791 | 01/24/2020 to 04/29/2020 | china | 0.7% | good | |
Sevilis. et al. | [59] | 15,226 | 1137 | December 1, 2019, to March 15, 2020 | 11,105 | 88 | March 15, 2020 to June 27, 2020 | US | 0.03% | good | |
Tavanaei et al. | [60] | 190 | 25 | 2019 (Mar 1 to Jun 1) | 95 | 18 | 2020 (Mar 1 to Jun 1) | Iran | 1.31% | good | |
Srivastava et al. | [61] | 39,113 | 4576 | November 1, 2019 and February 3, 2020 | 41,971 | 4785 | February 4, 2020 and June 29, 2020 | US | 0.86% | good | |
Frisullo et al. | [62] | 41 | 13 | March–April 2019 | 52 | 7 | March–April 2020 | Italy | 0.11% | fair | |
Luo et al. | [63] | 377 | 293 | January 2019 to May 2019 | 315 | 231 | January 2020 to May 2020 | China | 0.17% | good | |
Bhatia et al. | [64] | 1237 | 182 | February and July 2019 | 1312 | 230 | February and July 2020 | India | 1.04% | fair | |
Cummings et al. | [65] | 5239 | 656 | March 2019 to February 2020 | 613 | 95 | March to April 2020 | US | 1.11% | good | |
Rinkel et al. | [66] | 407 | 59 | October 21st–December 8th 2019 | 309 | 50 | March 16th–May 3th 2020 | Netherlands | 0.97% | good | |
Ramos-Pachón et al. | [67] | 1033 | 300 | March 15–May 2, 2020 | 805 | 177 | March 15–May 2, 2020 | Spain | 0.47% | good | |
Meza et al. | [68] | 225 | 52 | 30 December 2019 to 14 march, 2020 | 93 | 20 | 15 march, 2020 to 4 May 2020 | Spain | 0.7% | fair | |
Velilla-Alonso et al. | [47] | 112 | 65 | March 14 to May 14, 2019 | 83 | 36 | March 14 to May 14, 2020 | Spain | 0.17% | good | |
Nagamine et al. | [69] | 37 | 15 | March 1–April 30, 2019 | 36 | 10 | March 1–April 30, 2020 | US | 0.28% | good | |
Siegler et al. | [70] | 1491 | 124 | March 1, 2019, and July 31, 2019 | 1464 | 54 | March 1, 2020, and July 31, 2020 | US | 0.36% | good | |
Wang et al. | [71] | 320 | 20 | 12/1/19–03/11/20 | 255 | 30 | 03/12/20–06/30/20 | 1.82% | fair | ||
Perforated appendicitis rate in acute appendicitis | Yang et al. | [72] | 129 | 10 | January to September 209 | 106 | 19 | January to September 2020 | china | 0.25% | good |
Zhou et al. | [73] | 121 | 10 | 2019 | 81 | 15 | 2020 | china | 0.26% | good | |
Tankel et al. | [74] | 237 | 31 | 31 December 2019–18 February 2020 | 141 | 29 | 19 February 2020–07 April 2020 | Israel | 0.43% | good | |
Orthopoulos et al. | [75] | 199 | 50 | February 1–March 15, 2020/ 2019/ 2018 | 40 | 25 | March 16, 2020–April 30, 2020 | USA | −0.22% | good | |
Kumaira Fonseca et al. | [76] | 82 | 12 | March and April 2019 | 36 | 11 | March and April 2020 | Brazil | 0.17% | good | |
Turanli et al. | [77] | 145 | 31 | March 1st,2019–February 29th, 2020 | 59 | 12 | March 1st, 2020–May 31st, 2020 | Turkey | 0.85% | good | |
Wang et al. | [78] | 48 | 6 | January 21, 2018 to May 6, 2018, and January 21, 2019 to May 6, 2019 | 32 | 10 | January 2020 to May 2020 | USA | 0.09% | fair | |
Jäntti et al. | [79] | 127 | 22 | 1 February 2020 and 30 April 2020; first 6 weeks | 99 | 31 | 1 February 2020 and 30 April 2020; second 7 weeks | Finland | 0.24% | good | |
Lisi et al. | [80] | 34 | 9 | February 2019 and December 2019 | 27 | 16 | February 2020 and December 2020 | Italy | −0.15% | good | |
Burgard et al. | [81] | 241 | 37 | March 12 to June 6, 2017, 2018, and 2019 | 65 | 21 | March 12 to June 6, 2020 | switzerland | 0.15% | good | |
Antakia et al. | [82] | 110 | 22 | November 1, 2019 to March 10, 2020 | 59 | 12 | March 10, 2020 to July 5, 2020 | UK | 0.78% | good | |
Finkelstein et al. | [83] | 59 | 10 | March to May 2019 | 48 | 16 | March to May 2020 | USA | 0.18% | good | |
Sartori et al. | [84] | 791 | 76 | march-April 2019 | 546 | 87 | arch-April 2020 | Italy | 0.44% | good | |
Baral et al. | [85] | 42 | 6 | 90 prior March 24 2020 | 50 | 10 | 90 days after March 242,020 | Nepal | 0.51% | fair | |
Toale et al. | [86] | 122 | 11 | January 1st – March 25th | 62 | 13 | March 26th – May 31st | Ireland | 0.22% | good | |
Dreifuss et al. | [87] | 65 | 11 | April 1, 2020 and April 30, 2018, 2019 | 15 | 7 | April 1, 2020 and April 30, 2020 | Argentina | −0.1% | good | |
Mor Aharoni et al. | [88] | 60 | 5 | 1 March 2019 to 30 April 2019 | 74 | 0 | April 1, 2020 and April 30, 2020 | israel | NA | fair | |
Neufeld et al. | [89] | 840 | 181 | December 1, 2019–March 10, 2020 | 91 | 25 | March 11, 2020–May 16, 2020 | usa | 0.51% | good | |
Scheijmans et al. | [90] | 642 | 157 | February and March 2019 | 607 | 179 | February and March 2020 | Netherlands | 0.53% | good | |
Somers et al. | [91] | 69 | 4 | 12/03/2019 and 30/06/2019 | 40 | 8 | 12/03/2020 and 30/06/2020 | Ireland | 0.09% | good | |
rupture rate in ectopic pregnancy | Barg et al. | [92] | 43 | 2 | March 10–May 12, 2019 | 29 | 6 | March 10–May 12, 2020 | Israel | 0.02% | good |
Dvash et al. | [93] | 30 | 5 | 15 March and 15 June 2018, 2019 | 19 | 11 | 15 March and 15 June 2020 | Israel | −0.29% | good | |
Toma et al. | [94] | 136 | 82 | March 2019 and February 2020 | 62 | 50 | March 2020 and June 2020 | Delaware | −0.06% | fair | |
Platts et al. | [95] | 179 | 4 | January 2019–June 2019 | 162 | 3 | March 2020–August 2020 | UK | 1.19% | good | |
Casadio et al. | [96] | 201 | 52 | January 1st 2014 - February 29th 2020 | 9 | 6 | March 1st to 30th April 2020 | Italy | −0.28% | fair | |
Anteby et al. | [97] | 208 | 23 | February 27, 2020 to September 27, 2018, 2019 | 100 | 23 | February 27, 2020 to September 27, 2020 | Israel | 0.25% | good | |
Werner et al. | [98] | 12 | 51 | 2019–2020 | 10 | 12 | March 15th and May 17th, 2020 | USA | 2.34% | fair | |
Dell’Utri et al. | [99] | 9 | 20 | February 24 th - May 31 th 2019 | 11 | 16 | February 24 th - May 31 th 2020 | Italy | 0.07% | good | |
ACS patient-related delay | Tam et al. | [100] | 48 | – | February 1, 2018, to January 31, 2019 | 7 | – | January 25, 2020, to February 10, 2020 | China | NE | fair |
Fileti et al. | [101] | 94 | – | 10 March and 10 April 2019, | 72 | – | 10 March and 10 April 2020, | Italy | NE | good | |
Mesnier et al. | [102] | 664 | – | Feb to Mar 16 2020 | 457 | – | Mar 17 to Apri 122,020 | France | NE | good | |
Choudhary et al. | [103] | 1488 | – | (25 March to 24 April 2020 | 289 | – | (25 January to 24 February 2020 | India | NE | good | |
Kwok et al. | [104] | 33,255 | – | 1 January 2017 to 22 March 2020 | 683 | – | 23 March 2020 to 30 April 2020 | UK | NE | good | |
Erol et al. | [105] | 1872 | – | 15-day registry (November 1–15, 2018 | 991 | – | April 17–May 2, 2020 | Turkey | NE | good | |
Erol (b) et al. | 1872 | – | 992 | – | NE | ||||||
Toner et al. | [106] | 102 | – | March 16–April 15 between 2014 and 2019 | 20 | – | March 16–April 15, 2020 | Australia | NE | good | |
Li et al. | [107] | 1092 | – | 2019 (Feb to Apr) | 1038 | – | 2020 (Feb to Apr) | Taiwan | NE | fair | |
Claeys et al. | [108] | 260 | – | March 13 to April 3 2019 | 188 | – | March 13 to April 32,019 | Belgium | NE | fair | |
Trabattoni et al. | [109] | 10 | – | March 8 and April 10,2019 | 24 | – | March 8 and April 10,2020 | Italy | NE | fair | |
Braiteh et al. | [110] | 113 | – | March/April of 2019 | 67 | – | March/April 2020 | USA | NE | good | |
Cammalleri et al. | [110] | 35 | – | Mar 1 to Mar 31 2019 | 13 | – | Mar 1 to Mar 31 2020 | Italy | NE | good | |
Scholz et al. | [111] | 1329 | – | Mar 2017–2019 | 387 | – | Mar2020 | Germany | NE | good | |
Scholz (b) et al. | 1330 | – | 388 | – | NE | good | |||||
Hauguel-Moreau et al. | [112] | 63 | – | 2018–2019 from February 17 to April 26 | 16 | – | March 17, 2020 in France (week 12) | France | NE | good | |
Romaguera et al. | [113] | 524 | – | 1 March to 19 April 2019 | 395 | – | 1 March to 19 April, 2020 | Spain | NE | fair | |
Romaguera (b) et al. | 525 | – | 396 | – | NE | ||||||
Xiang et al. | [114] | 626 | – | 4 weeks before January 24, 2020 | 236 | – | 4 weeks after January 24, 2020 | China | NE | good | |
Xiang (b) et al. | 15,729 | – | 4 weeks before January 24, 2020 | 11,598 | – | 4 weeks after January 24, 2020 | non-hubai | NE | good | ||
Yasuda et al. | [115] | 274 | – | January–July 2015–2019 | 64 | – | January–July 2020 | Japan | NE | good | |
Sutherland et al. | [116] | 145 | – | 1 March 2020 to 31 April 2020 | 108 | – | 1 March 2020 to 31 April 2020 | Australia | NE | good | |
Sutherland (b) et al. | 145 | – | 1 March 2020 to 31 April 2021 | 82 | – | 1 July 2020 to 31 August 2020 | Australia | NE | good | ||
Trabattoni et al. | [117] | 386 | – | Jan 1-Dec 31, 2019 | 599 | – | Jan 1-Dec 31, 2020 | Italy | NE | good | |
Calvão et al. | [118] | 80 | – | March and April 2019 | 71 | – | March and April 2020 | Portugal | NE | good | |
Chan et al. | [119] | 908 | – | 23 March – 26 April 2015–2019 | 164 | – | 23 March – 26 April 2020 | New Zealand | NE | good | |
Nan et al. | [120] | 158 | – | between August 1, 2019, and January 22, 2020 | 52 | – | January 23, 2020, and March 31, 2020 | China | NE | good | |
Tomasoni et al. | [121] | 51 | – | Jan 3 to Feb 20, 2020 | 34 | – | Feb 21 to Apr 10, 2020 | France | NE | good |