Table 3.

Yearly carbon footprint of the average practice

Rank	Domain	Sub-domain	Carbon footprint CO2eq kg	Proportion by domain	Proportion of total footprint
1	Patient mobility		10145	100%	33.2%
2	Heating system		9106	100%	29.8%
3	Staff mobility		3816	100%	12.5%
4	Courier mobility		2997	100%	9.8%
		Regular couriers (blood samples)	638	21.2%
		On-call couriers (blood samples)	1747	58.0%
		On-call couriers (special waste)	613	20.4%
5	Medical consumables		1678	100%	5.5%
		Bandages and compresses	1051	62.6%
		Blood sampling materials: needle, tube, etc.	211	12.5%
		Bed sheets (paper)	147	8.7%
		Gloves	73	4.3%
		Urinary rapid test	39	2.3%
		Disinfectant	33	1.9%
		Others, e.g.: mask, scalpel, swab test, shot material, tongue depressor, electrode, oxygen bottle	124	7.3%
6	Non-medical equipment		1239	100%	4.1%
		Computer - 4 yr. of use	714	57.5%
		Furniture: desk, chair, cupboard, etc. - 10 yr. of use	234	19%
		Telephone - 3 yr. of use	212	18.8%
		Printer - 5 yr. of use	74	5.9%
		Other electronic devices	6	0.4%
7	Waste		491	100%	1.6%
		General waste	321	65%
		Special waste (radioactive)	164	33%
		Paper waste	6	1%
8	External laboratory analysis		370	100%	1.2%
9	Non-medical consumables		338	100%	1.1 %
		Paper	117	34.7%
		Toner /ink	79	23.5%
		Paper towels	77	22.9%
		Postal service	64	18.9%
10	In-house laboratory		152	100%	0.5%
11	Medical equipment		110	100%	0.4%
		Examination beds - 20 yr. of use	87	78.8%
		Tensiometers - 5 yr. of use	16	14.2%
		Electrocardiogram device, thermometer, tuning fork, glucometer, otoscope, scale, dermatoscope, flashlight, stethoscope, demonstration models	8	7.1%
12	Electricity		95	100%	0.3%
	TOTAL		30,538		100%

Note: In-house x-ray emission are included in electricity and medical equipment