Table 1.
Characteristics of study participants.
| Case n = 90 | Control n = 95 | P-value | |||
|---|---|---|---|---|---|
| n/Mean | %/SD | n/Mean | %/SD | ||
| Sex | |||||
| Male | 35 | 39 | 33 | 71 | 0.59† |
| Female | 55 | 61 | 62 | 29 | |
| Age, year | 52 | 16 | 48 | 19 | 0.06‡ |
| Marital status, married | 38 | 42 | 33 | 35 | 0.29† |
| Educational status | |||||
| Illiterate | 18 | 20 | 15 | 16 | 0.46† |
| Literate | 72 | 80 | 80 | 84 | |
| Comorbidities* | 72 | 80 | 0 | 0 | − |
| Hypertension | 30 | 22 | 0 | 0 | |
| Diabetes mellitus | 23 | 17 | 0 | 0 | |
| Ischemic heart disease | 12 | 9 | 0 | 0 | |
| Heart failure | 1 | 0.7 | 0 | 0 | |
| Chronic kidney disease | 8 | 6 | 0 | 0 | |
| Chronic obstructive pulmonary disease | 0 | 0 | 0 | 0 | |
| Asthma | 9 | 7 | 0 | 0 | |
| Thyroid disorders | 7 | 5 | 0 | 0 | |
| Malignancy | 9 | 7 | 0 | 0 | |
| Dyslipidemia | 7 | 5 | 0 | 0 | |
| Depression | 2 | 1 | 0 | 0 | |
| Alzheimer’s disease | 5 | 4 | 0 | 0 | |
| Coronary artery bypass graft | 3 | 2 | 0 | 0 | |
| 25-hydroxyvitmain D > 20 ng/ml | 58 | 64 | 72 | 76 | 0.09§ |
*Controls were all healthy and frequency of Medication history of cases is listed in Supplementary Table S1
†Chi-squared test
‡Independent t-test
§Mann–Whitney U test