Table 6.

Multi-Factor Analysis of High-Risk Factors

High Risk Factors (pcs)	Regression Coefficient B	Standard Error	Wald Chi Square	p Value	OR	95% CI
0–1	1.170	0.474	6.103	0.013	3.221	1.273–8.148
0–2	1.963	0.495	15.742	<0.001	7.119	2.700–18.772
0–3	2.219	0.580	14.656	<0.001	9.200	2.954–28.656
1–2	0.793	0.374	4.500	0.034	2.210	1.062–4.598
1–3	1.049	0.481	4.767	0.029	2.856	1.113–7.327