Table 2.

Multivariable logistic regression analysis of 90 patients for postspinal anesthesia hypotension.

Predictors	Regression coefficient	Odds ratio	95% CI	P -Value
Age	0.036	1.037	0.982–1.094	0.192
BMI	0.039	1.040	0.807–1.341	0.762
ASA(I/II)	−0.212	0.809	0.233–2.805	0.738
Baseline MBP	0.087	1.091	0.975–1.220	0.128
dIVC max	−0.231	0.793	0.615–1.023	0.084
IVCCI	0.249	1.283	1.137–1.448	<0.0001

BMI, body mass index; ASA, American Society of Anesthesiologists; dIVCmax, the maximum diameter of IVC; IVCCI, collapsibility index of inferior vena cava; 95% CI, 95% confidence interval of partial correlation coefficients.