Table 5.

Full linear regression model results for cumulative mortality (%) index: x is Pimax

Variable	Estimate	95 % Confidence interval	p value
Intercept	2	(−8, 12)	0.72
1/x	1868	(1343, 2393)	< 0.0001
1/x2	−23257	(−31474, −15040)	< 0.0001
1/x3	79159	(47448, 110871)	< 0.0001
Age	0.02	(−0.09, 0.13)	0.70
Steroids
Yes	1.48	(−1.76, 4.72)	0.35
No	Reference
Lung compliance	−0.09	(−0.31, 0.14)	0.43
Airway resistance	−0.14	(−0.35, 0.08)	0.21
Severity of Organ Failure Assessment (SOFA)	−0.82	(−1.51, −0.14)	0.02
Charlson Comorbidity Score	0.56	(−0.33, 1.45)	0.20
Gender
Female	−1.40	(−4.60, 1.79)	0.37
Male	Reference

Subgroup analysis includes only those patients with sepsis