Table 2.
The mean vales of 25(OH)D in two groups based on different variables
| Variables | Case (n=73) | Control (n=76) | P-value |
|---|---|---|---|
| Total | 21.96±24.87 | 19.31±11.15 | 0.400 |
| Gender | |||
| Male | 17.11±18.96 | 18.75±9.42 | 0.578 |
| Female | 33.95±33.13 | 20.52±14.36 | 0.078 |
| Age group | |||
| <70 years | 12.20±9.93 | 19.54±11.30 | 0.008 |
| ≥70 years | 27.04±28.63 | 19.01±11.11 | 0.130 |
| Education | |||
| Illiterate | 27.04±27.45 | 19.51±11.01 | 0.716 |
| Educated | 9.97±8.65 | 19.82±12.04 | 0.005 |
| Academic levels | 3.62±.088 | 14.11±8.86 | 0.190 |
| Resident in | |||
| Urban area | 21.89±24.12 | 17.84±9.12 | 0.242 |
| Border town | 22.20±19.53 | 16.68±7.68 | 0.402 |
| Rural area | 22.04±30.87 | 33.38±18.10 | 0.353 |
| Smoking status | |||
| Never smoker | 24.42±27.63 | 19.76±12.33 | 0.256 |
| Current smoker | 16.29±16.10 | 17.68±6.74 | 0.791 |
| Former smoker | 17.08±18.76 | 18.50±7.59 | 0.836 |
| Underlying disease | |||
| None | 15.80±19.09 | 19.22±12.60 | 0.346 |
| COPD | 29.31±21.74 | 17.63±7.28 | 0.197 |
| HTN | 25.72±28.89 | 18.04±7.95 | 0.258 |
| IHD | 30.39±33.55 | 25.33±13.43 | 0.707 |
Note: Bold P-values are significant.
Abbreviations: HTN, hypertension; IHD, ischemic heart disease; 25(OH)D, 25-hydroxyvitamin D.