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Table 1 Comparison of scope 3 factors between 2019 and 2020

From: Influence of COVID-19 on the 10-year carbon footprint of the Nagoya University Hospital and medical research centre

 

2019

2020

p-value

Clean water, (m 3 ), median [IQR]

23,004·50 [21,291·00, 27,745·00]

19,371·00 [18,193·00, 23,871·00]

0·011

Emissions from clean water, (tCO 2 e), median [IQR]

2·92 [2·70, 3·52]

2·36 [2·22, 2·91]

0·011

Sewage, (m 3 ), median [IQR]

32,179·50 [29,782·00, 39,306·00]

29,321·00 [28,259·00, 33,654·00]

0·165

Emissions from sewage, (tCO 2 e), median [IQR]

9·24 [8·55, 11·28]

7·98 [7·69, 9·15]

0·011

Emissions from medications and medical supplies, (tCO 2 e), median [IQR]

4,019·37 [4,019·37, 4,019·37]

3,940·52 [3,940·52, 3,940·52]

< 0·001

Solid waste, (kg), median [IQR]

46,219·50 [43,784·25, 47,937·50]

42,379·00 [40,210·25, 44,453·25]

0·015

Emissions from solid waste, (tCO 2 e), median [IQR]

37·96 [35·96, 39·38]

34·81 [33·03, 36·51]

0·015

Scrap metal, (kg), median [IQR]

440·00 [407·50, 480·00]

400·00 [352·50, 427·50]

0·093

Infectious medical waste, (kg), median [IQR]

44,890·00 [42,332·50, 46,235·00]

57,890·00 [55,120·00, 59,150·00]

< 0·001

Emissions from infectious medical waste, (tCO 2 e), median [IQR]

114·47 [107·95, 117·90]

147·62 [140·56, 150·83]

< 0·001

Non-infectious medical waste, (kg), median [IQR]

9,290·00 [9,052·50, 9,955·00]

9,505·00 [8,780·00, 10,595·00]

0·583

Emissions from non-infectious medical waste, (tCO 2 e), median [IQR]

23·69 [23·08, 25·39]

24·24 [22·39, 27·02]

0·583

Average temperature, (degree Celsius), median [IQR]

17·20 [10·22, 23·80]

16·00 [10·88, 24·80]

0·840

  1. IQR: interquartile range; kg: kilogram; tCO2e: tonnes of carbon dioxide equivalent