Table 3.

P-values for the logistic regressions for all parameters in Table 1.

Parameter ai	P
BFM	0.05
BFmax	0.6
BF40	0.3
BF20	0.3
varBF	0.2
SpO2M	6.10–3
SpO2min	3.10–7
ITS	0.05
varSpO2	0.02
SpO2-90	8.10–4