Factors affecting sufentanil consumption for intravenous controlled analgesia after hepatectomy: retrospective analysis

Table 7 Multivariate logistic regression analysis of risk factors for high PCA sufentanil dosage

	B	SE	P-Value	Odds ratio	95% CI for EXP(B)
	B	SE	P-Value	Odds ratio	Lower	Upper
Operative time (min)	0.002	0.001	0.033	1.002	1.000	1.004
Age (group)	0.866	0.233	< 0.001	2.377	1.505	3.755
Extent of resection	3.981	0.542	< 0.001	53.587	18.527	154.988
Surgical approach	2.516	0.518	< 0.001	12.381	4.488	34.157
Constant	−9.211	1.210	< 0.001	< 0.001

B Regression coefficient, SE Standard error, CI Confidence interval, Age (group) Two age groups (≤ 60 and > 60 years old)

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