A Decision for Predicting Successful Extubation of Patients in Intensive Care Unit

Table 7

The results of logistic regression analysis.

Variable name		SE	Wald value	Odds ratio	Effect value
Gender	0.058	1.429	0.002	1.059	Cox-Snell = 0.450; Nagelkerke = 0.603
GCS	−3.551	1.419	6.261	0.029
RR	−0.758	0.447	2.881	0.468
MV	2.081	1.028	4.094	8.011
PiMax	0.471	2.233	0.045	1.602
RSBI	8.921	5.143	3.009	7487.943
PH	−8.891	12.157	0.535	0.000
PaO2	3.818	2.661	2.059	45.520
PaCO2	−2.855	2.388	1.430	0.058
Constant	23.404	100.915	0.054	14596256529
Overall pattern match verification
	Hosmer and Lemeshow test = 16.17 significance