Table 5.

Multivariate logistic regression analysis of factors affecting adverse events

Factor	β	Standard error	χ2	P	OR	95% CI
						Lower limit	Upper limit
Age	1.447	0.547	7.004	0.008	4.248	1.455	12.402
History of hypertension	1.029	0.442	5.421	0.020	2.798	1.177	6.654
History of diabetes mellitus	1.147	0.493	5.423	0.020	3.149	1.199	8.271
Nursing scheme	0.666	0.420	2.518	0.113	1.947	0.855	4.433