Table 3.

Multivariable analysis of risk factors.

	Odds Ratio	P > z	[95% Conf.	Interval]
Sex	Baseline Female
Male	7.17	0.083	0.77	66.46
Age	Baseline 16–29
30–39	3.62	0.660	0.01	1128.12
40–49	9.42	0.218	0.27	333.74
50–59	3.16	0.488	0.12	81.53
60–69	10.02	0.210	0.27	367.73
70–79	1.56	0.836	0.02	103.97
BMI	Baseline 18.5–24.9 (Normal Weight)
overweight	2.08	0.526	0.22	19.81
obese	1.54	0.699	0.17	13.67
severely obese	1.66	0.736	0.09	31.69
Posterior Ulcer	Baseline no post pressure sore
	1.07	0.956	0.09	12.29
Prone to lesion	3.11	0.003	1.46	6.62
Albumin	0.94	0.611	0.74	1.19
Hb	0.99	0.762	0.95	1.04
Waterlow	1.06	0.539	0.88	1.29
CURB-65	0.53	0.269	0.17	1.63
APACHE-II	0.78	0.052	0.61	1.00
SOFA	0.90	0.634	0.58	1.39