Serum Vitamin D Level in Patients with Coronary Artery Disease and Association with Sun Exposure: Experience from a Tertiary Care, Teaching Hospital in India
Table 1
Clinical and biochemical characteristics of the cases and controls.
Variable
Cases N = 121
Controls N = 80
values
Mean
SD
Mean
SD
Age (years)
54.22
9
48.9
6
0.001
Average sun exposure (hours/day)
3
2.1
1.88
1.27
0.001
BMI (kg/m2)
24.31
0.12
24.86
0.07
0.31
W/H ratio
0.98
0.12
0.94
0.07
0.04
Serum alkaline phosphatase (IU/L)
126.06
0.3
138.24
0.29
0.10
Serum albumin (g/dl)
4.21
5.3
4.75
4.31
<0.0001
Corrected serum calcium (mg/dl)
9.26
7
9.59
4.59
<0.0001
Serum phosphate (mg/dl)
3.80
38
4.02
35.9
0.06
Serum 25(OH)D (nmol/l)
34.06
18.79
40.19
27.8
0.25
24-hour urine calcium (mg/d)
1075.71
89.56
747.08
100.01
0.41
24-hour urine phosphorus (mg/d)
471.77
381.29
468.85
401.86
0.30
BMI: body mass index, W/H: waist-to-hip ratio, S 25(OH)D: serum vitamin D.
