Prediction of morbidity after gastrectomy for gastric adenocarcinoma using logistic regression analysis

Table 1 Multivariate analisis of factors associated to the event of surgical morbidity (p = 0.00001)

Factor	β	S.E.	p	β (exp)	95% CI
Serum Albumin			0.034
2.9 g/dL or less	0.772	0.307	0.012	2.165	1.19–3.95
3 to 3.49 g/dL	0.063	0.309	0.84	1.065	0.58–1.95
3.5 g/dL or more	-	-	-	1	-
Gastrectomy
subtotal	-	-	-	1	-
total	0.956	0.255	0.0001	2.6	1.58–4.29
Age
39 or less	-	-	-	1	-
more than 40	0.847	0.394	0.032	2.333	1.07–5.05
Gender
Female	-	-	-	1	-
Male	0.447	0.245	0.069	1.563	0.966–2.53
Surgical bleeding (ml)	0.001	0.0001	0.031	1.001	1–1.001

β =; S.E. = standard error; p = probability value of the odds ratio; β (exp) = beta exponent or odds ratio; CI = confidence interval