Table 3.
Distribution of the degree of chondropathy by gender, age group, and nutritional status
| Variables | N | Without | Degree of patellar chondropathy | P | |||
|---|---|---|---|---|---|---|---|
| Grade 1 | Grade 2 | Grade 3 | Grade 4 | ||||
| Gender | < 0.001 | ||||||
| Male | 173 | 55 (31.8%) * | 20 (11.6%) | 34 (19.7%) * | 26 (15.0%) | 38 (22.0%) | |
| Female | 216 | 26 (12.0%) | 35 (16.2%) | 24 (11.1%) | 55 (25.5%) * | 76 (35.2%) * | |
| Age group (years) | < 0.001 | ||||||
| < 30 | 66 | 37 (56.1%) * | 9 (13.6%) | 8 (12.1%) | 8 (12.1%) | 4 (6.1%) | |
| 30 to 39 | 76 | 24 (31.6%) * | 16 (21.1%) | 8 (10.5%) | 18 (23.7%) | 10 (13.2%) | |
| 40 to 49 | 81 | 11 (13.6%) | 10 (12.3%) | 14 (17.3%) | 16 (19.8%) | 30 (37.0%) | |
| 50 to 59 | 81 | 4 (4.9%) | 9 (11.1%) | 14 (17.3%) | 20 (24.7%) | 34 (42.0%) * | |
| ≥ 60 | 85 | 5 (5.9%) | 11 (12.9%) | 14 (16.5%) | 19 (22.4%) | 36 (31.6%) * | |
| Nutritional status | < 0.001 | ||||||
| Underweight | 3 | 2 (66.7%) * | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | 1 (33.3%) | |
| Normal weight | 148 | 33 (22.3%) | 28 (18.9%) * | 17 (11.5%) | 34 (23.0%) | 36 (24.3%) | |
| Overweight | 145 | 33 (22.8%) | 18 (12.4%) | 35 (24.1%) * | 22 (15.2%) | 37 (25.5%) | |
| Obese | 93 | 13 (14.0%) | 9 (9.7%) | 6 (6.5%) | 25 (26.9%) | 40 (43.0%) * | |
*
Statistically significant association by analysis of adjusted residuals at a 5% significance level.