Table 2.

Carbon footprint per patient per year

Financial year	Patients (n)	Day-case rate (%)	MCF per patient for items included in the calculation (kg CO2)	Estimated CCS (kg CO2)a
2013–2014	23 521	13	116.4	–
2014–2015	23 454	14	111.8	−115 687
2015–2016	23 407	15	109.3	−179 459
2016–2017	23 946	17	106.6	−185 200
2017–2018	23 341	18	105.1	−284 705
2018–2019	23 659	20	101.9	−326 992
2019–2020	23 545	23	100.1	−380 990
2020–2021	21 144	29	91.0	−813 740
2021–2022	23 252	31	92.4	−589 359
Total	209 269	–	–	−2 876 132

CCS = cumulative carbon saving; MCF = mean carbon footprint.

^aEstimated CCS based on the rounded estimates for the MCF per patient in comparison to 2013–2014.