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Table 1 Clinical characteristics of patients with available 25-hydroxyvitamin D levels.

From: Vitamin D deficiency is associated with mortality in the medical intensive care unit

Variable

25(OH)D Deficiency ≤19.9 ng/dL

N = 340

25(OH)D Insufficiency 20-29.9 ng/dL

N = 74

25(OH)D Normal ≥30 ng/dL

N = 23

P

Age (years)

55.6 ± 16.5

58.6 ± 19.2

65.4 ± 16.6

0.015

Gender - Male (%)

176 (51.8%)

28 (37.9%)

4 (17.4%)

0.001

APACHE IV

68.3 ± 28.1

60.9 ± 25.9

67.2 ± 20.9

0.11

Ventilator requirement

123 (36.2%)

23 (31%)

7 (30.4%)

0.63

Acute/acute on chronic renal failure

92 (27%)

11 (14.9%)

2 (8.7%)

0.017

ESRD on hemodialysis

21 (7.1%)

6 (8.1%)

2 (8.7%)

0.92

Total calcium serum (mg/dL)

8.6 ± 1.1

9.0 ± 1.1

9.4 ± 1.3

0.0003

Phosphate serum (mg/dL)

3.7 ± 1.7

4.1 ± 5.7

3.3 ± 1.2

0.34

  1. APACHE IV, acute physiology and chronic health evaluation; ESRD, end-stage renal disease; N, Number; 25(OH)D, 25-hydroxyvitamin D