Table I.
Demographic data.
| Age (years) mean (SD) | 52.57±12.47 |
| Ethnicity, n (%) | |
| Punjabi | 1676) |
| Pathan | 7028) |
| Urdu Speaking | 15 (6) |
| Gender, n (%) | |
| Male | 92 (36) |
| Female | 160 (64) |
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