Table III.
Association between gender on and the prevalence of KOA in the different age groups.
| Age group (years) | Males (Total) n (%) | Males with KOA n (%) | KOA-free males n (%) | Females (Total) n (%) | Females with KOA n (%) | KOA-free females n (%) | P-value |
|---|---|---|---|---|---|---|---|
| < 40 | 243 (100%) | 56 (23%) | 183 (77%) | 30 (100%) | 14 (46.7%) | 16 (53.3%) | 0.0063** df = 7.47, 1 |
| 40 – 50 | 49 (100%) | 22 (44.9%) | 26 (55.1%) | 26 (100%) | 23 (88.5%) | 3 (11.5%) | 0.0002*** df =12.86, 1 |
| 51 – 60 | 26 (100%) | 17 (65.4%) | 10 (34.6%) | 22 (100%) | 21 (95.5%) | 1 (4.5%) | 0.0067** df =7.35, 1 |
| 61 – 90 | 10 (100%) | 7 (70%) | 3 (30%) | 4 (100%) | 3 (75%) | 1 (25%) | 0.851 df = 0.58, 1 |
| Total | 328 (100%) | 102 (31%) | 226 (69%) | 82 (100%) | 61 (74.4%) | 21 (25.6%) |