Table 2 Intergroup comparisons of WOMAC and ROM in patients with KOA (n = 2034)
n (%) | WOMAC | ROM | |||
|---|---|---|---|---|---|
median (p25, p75) | P | \( \stackrel{-}{x}\)±s | P | ||
Sex | < 0.001 | < 0.001 | |||
Male | 530 (26.1) | 37.0 (30.0, 45.0) | 125.2 ± 11.4 | ||
Female | 1504 (73.9) | 41.0 (32.0, 48.0) | 122.8 ± 13.3 | ||
Age (yeas) | < 0.001 | < 0.001 | |||
< 55 | 607 (29.8) | 35.0 (30.0, 42.4) | 127.4 ± 11.7 | ||
55–64 | 696 (34.2) | 40.0 (32.0, 49.0) | 123.4 ± 11.9 | ||
≥ 64 | 731 (36.0) | 42.2 (34.0, 51.0) | 120.1 ± 13.8 | ||
BMI (kg/m2) | < 0.001 | < 0.001 | |||
< 24 | 758 (37.2) | 36.5 (30.0, 45.0) | 126.0 ± 12.1 | ||
24–27.9 | 941 (46.3) | 40.0 (32.0, 48.0) | 122.6 ± 12.5 | ||
≥ 28 | 335 (16.5) | 42.4 (36.0, 52.0) | 119.9 ± 14.3 | ||
History of KOA in first-degree relatives | < 0.001 | < 0.001 | |||
No | 1226 (60.3) | 38.0 (31.0, 46.0) | 124.8 ± 13.6 | ||
Yes | 808 (39.7) | 42.0 (33.0, 49.0) | 122.5 ± 12.3 | ||
Years of education (years) | 0.046 | < 0.001 | |||
≤ 9 | 611 (30.0) | 40.0 (32.0, 50.0) | 120.5 ± 12.4 | ||
10–12 | 547 (26.9) | 41.0 (32.0, 49.0) | 121.9 ± 13.7 | ||
≥ 13 | 876 (43.1) | 39.0 (31.0, 42.0) | 126.4 ± 12.0 | ||
Physical labor intensity of occupation | < 0.001 | 0.001 | |||
Sedentary | 936 (46.0) | 40.0 (32.0, 46.0) | 124.4 ± 12.8 122.3 ± 13.0 | ||
Mild manual labor | 972 (47.8) | 39.0 (31.0, 48.0) | |||
Moderate-to-heavy manual labor | 126 (6.2) | 42.4 (37.0, 53.0) | 125.2 ± 12.3 | ||
CCI | < 0.001 | < 0.001 | |||
0 | 1442 (70.9) | 38.0 (31.0, 46.0) | 124.2 ± 12.4 121.9 ± 14.0 | ||
1 | 360 (17.7) | 42.4 (33.0, 50.0) | |||
≥ 2 | 232 (11.4) | 42.4 (34.0, 56.0) | 120.9 ± 13.7 | ||
Use of NSAIDS | < 0.001 | < 0.001 | |||
0 | 1385 (68.1) | 37.0 (30.0, 44.0) | 124.9 ± 12.4 | ||
1 | 649 (31.9) | 42.4 (36.0, 54.0) | 120.4 ± 12.3 | ||
KL grade | < 0.001 | < 0.001 | |||
0/1 | 545 (26.7) | 39.5 (31.0, 45.0) | 126.7 ± 11.5 | ||
2 | 748 (36.8) | 37.0 (31.0, 45.0) | 121.9 ± 11.3 | ||
3 | 595 (29.3) | 40.0 (32.0, 49.0) | 119.3 ± 12.7 | ||
4 | 146 (7.2) | 42.7 (40.0, 60.0) | 118.7 ± 16.0 | ||