Table 2.

Triple bottom line showing the impact of vitamin D tests providing no net health benefit in Australia, 2020 (and of total vitamin D tests)

Health impact (zero)	Financial impact Cost to Medicare ($A)	Environmental impact Carbon footprint (kg CO2e) Base case analysis (8% ordered as primary test, 92% add-on test)	Environmental impact Carbon footprint (kg CO2e) Sensitivity analysis (12% ordered as primary test, 88% add-on test)
Vitamin D tests providing no net health benefit
3 410 108	$87 229 690	28 576 kg CO2e Equivalent to driving SYD-PER 40 times (157 970 km travelled in a standard passenger car)	42 012 kg CO2e Equivalent to driving SYD-PER 59 times (232 242 km travelled in a standard passenger car)
Total vitamin D tests
4 457 657	$114 025 739	37 355 kg CO2e Equivalent to driving SYD-PER 52.5 times (206 496 km travelled in a standard passenger car)	54 918 kg CO2e Equivalent to driving SYD-PER 77 times (303 584 km travelled in a standard passenger car)

SYD-PER, Sydney to Perth.