Table 2.

Results of cox proportional hazard models.

Outcomes	Model 1		Model 2		Model 3
Original population	HR (95% CIs)	p-value	HR (95% CIs)	p-value	HR (95% CIs)	p-value
In-hospital mortality
No-vitamin D	1.9 (1.4,2.4)	<0.001	1.8 (1.4,2.4)	<0.001	1.7 (1.3,2.3)	<0.001
Vitamin D	1		1		1
ICU-mortality
No-vitamin D	1.8 (1.3,2.6)	0.001	1.7 (1.2,2.5)	0.003	1.8.(1.2,2.6)	0.003
Vitamin D	1		1		1
PSM
In-hospital mortality
No-vitamin D	1.8 (1.3,2.6)	<0.001	1.8 (1.3,2.5)	<0.001	2.2 (1.5,3.1)	<0.001
Vitamin D	1		1		1
ICU-mortality
No-vitamin D	1.9 (1.2,3.0)	0.004	1.9 (1.2,2.9)	0.006	3.1 (1.8,5.3)	<0.001
Vitamin D	1		1		1

Model1 covariates were adjusted for nothing. Model2 covariates were adjusted for age and gender. Model3 covariates were adjusted for age, gender, hematocrit, hemoglobin, platelets, WBC, RBC, anion gap, bicarbonate, BUN, calcium, chloride, creatinine, sodium, potassium, glucose, weight, heart rate, MAP, respiratory rate, temperature, SpO2, INR, PT, RRT, vasopressor use, ventilator use, APS III, OASIS, SOFA, congestive heart failure, myocardial infarction, rheumatic disease, peptic ulcer disease, renal disease, diabetes, malignant cancer, and liver disease.