Table 3.

Logistic regression coefficients of seven variables.

Variable	Coefficient
Expiratory minute ventilation (L/min)	0.397
Expiratory tidal volume (mL/kg)	−0.010
Ventilation rate set (30/min)	0.094
Heart rate (bpm)	0.017
Peak pressure (cmH2O)	0.069
pH	0.667
Age	0.015
Intercept	−11.430

Logistic regression coefficients of seven variables for the groups with the cutoff value being 0.