3.

Logistic回归分析得出的PONV的影响因素

Binary logistic regression analysis of risk factors forAIS

Variables	β	S.E.	P	OR	95%CI
ΔHb: Hb gap before and after operation; PCIA: Patient controlled intravenous analgesia.
Fentanyl dosage	34.467	4.768	< 0.001	9.303	2.373	8.622
Hb	0.102	0.022	< 0.001	1.107	1.060	1.157
PCIA	3.076	0.711	< 0.001	11.671	2.381	11.284
Dexamethasone+ondansetron	-1.423	0.664	0.032	0.241	0.066	0.886
Dexmedetomidine	-3.630	0.783	0.002	0.027	0.006	0.123