Table 3.

Incremental cost-effectiveness ratios (ICERs)

		ICER	ICER corrected for bias	Normal CI	Percentile CI (95%)	Normal CI (corrected for bias)
Target	Simple	−101.21	–	–	–	–
	Non-parametric BS	−104.55	−97.87	(−107.88 to −101.21)	(−352.59 to 120.26)	(−101.21 to −94.53)
	Univariate parametric BS	−96.58	−105.84	(−99.77 to −93.38)	(−312.78 to 144.74)	(−109.03 to −102.65)
	Multivariate parametric BS	−96.91	−105.51	(−99.84 to −93.99)	(−301.26 to 116.96)	(−108.43 to −102.59)
Hyper	Simple	−369.22	–	–	–	–
	Non-parametric BS	−395.93	−342.51	(−408.95 to −382.91)	(−1380.61 to 467.07)	(−355.53 to −329.49)
	Univariate parametric BS	−379.03	−359.41	(−391.94 to −366.12)	(−1,294.23 to 537.07)	(−372.32 to −346.50)
	Multivariate parametric BS	−411.09	−327.35	(−424.28 to −397.91)	(−1,442.43 to 437.01)	(−340.54 to −314.16)
Hypox	Simple	−1565.46	–	–	–	–
	Non-parametric BS	−1709.95	−1420.97	(−1766.64 to −1653.25)	(−6265.24 to 1894.99)	(−1477.67 to −1364.27)
	Univariate parametric BS	−1661.46	−1469.46	(−1718.62 to −1604.29)	(−5,911.79 to 2367.25)	(−1526.62 to −1412.30)
	Multivariate parametric BS	−2250.04	−880.88	(−4841.99 to 341.92)	(−17 091.61 to 6560.38)	(−3472.84 to 1711.01)

Target, percentage of time spent at the target SpO₂.

BS, bootstrap; Hyper, percentage of time spent in hyperoxia (SpO₂+5% above the target); Hypox, percentage of time spent in hypoxaemia (SpO₂ <85%).