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Distribution of patients according to age, gender and nationality
| Variable | Nationality |
|||
|---|---|---|---|---|
| Kuwaiti | Non-Kuwaiti | |||
| Age, years (mean±SD) | (46.3 ±15.7) | (43.3 ±12.5) | ||
| Gender | No. (%) | No. (%) with polyps | No. (%) | No. (%) with polyps |
| Male | 187 (35) | 28 (5) | 178 (34) | 13 (2) |
| Female | 80 (15) | 8 (2) | 85 (16) | 5 (1) |
| Total | 267 (50) | 36 (7) | 263 (50) | 18 (3) |
