TABLE 3.

PO₂ to obtain 90% oxygen saturation in dependence on P₅₀ (all values in mmHg).

P50	PO2 for 90% SO2	Difference against P50 = 27 mmHg
24	54.2	−6.8
25	56.4	−4.5
26	58.7	−2.3
27	60.9	0.0
28	63.2	2.3
29	65.4	4.5
30	67.7	6.8
31	69.9	9.0
32	72.2	11.3