Table 5.

Results of Logistic Regression for Factors Related to Incidence of Complications in Critical SARS Based on 152 Critical SARS Cases^*

							95% CI for Odds Ratio
Variables	β	SE	Wald	df	Significance	Odds Ratio	Lower	Upper
Steroid use	0.029	0.438	0.004	1	0.948	1.029	0.436	2.426
Invasive ventilation	1.522	0.527	8.336	1	0.004	4.582	1.630	12.875
Constant	− 0.643	0.450	2.038	1	0.153	0.526

^*See Table 4 for expansion of abbreviation.