Table 4.

Multivariate analysis

Factors	β	Standard error	Wald	Sig.	Log OR value	Log 95% CI
						Lower limit	Upper limit
Age	3.444	1.213	8.055	0.005	1.496	0.463	2.529
Schatzker classification	2.442	0.716	11.639	0.001	1.061	0.451	1.670
Operation time	4.617	1.428	10.454	0.001	2.005	0.790	3.221
PT	1.773	0.956	3.438	0.064	0.770	-0.044	1.584
APTT	3.809	1.14	11.17	0.001	1.654	0.684	2.625
TT	3.066	1.032	8.834	0.003	1.331	0.453	2.210

Notes: PT, Prothrombin Time; APTT, Activated Partial Thromboplastin Time; TT, Thrombin Time.