Baseline characteristics of the participants, stratified by the absence or presence of end-stage osteoarthritis and incident osteoarthritis
| Total n=723 (1411 hips) | Absence of end-stage osteoarthritis at follow-up n=686 (1372 hips) | Presence of end-stage osteoarthritis at follow-up n=37 (39 hips) | p Value Absence vs presence of end-stage osteoarthritis at follow-up | Absence of incident osteoarthritis at follow-up n=669 (1312 hips) | Presence of incident osteoarthritis at follow-up n=52 (60 hips) | p Value Absence vs presence of incident osteoarthritis at follow-up | |
|---|---|---|---|---|---|---|---|
| Age in years: mean (±SD) | 55.9 (5.20) | 55.9 (5.2) | 57.7 (4.2) | 0.032 | 55.8 (5.2) | 58.2 (4.9) | 0.001 |
| Women, No (%) | 575 (80) | 552 (80) | 23 (62) | 0.004 | 538 (80) | 36 (69) | 0.017 |
| BMI, kg/m²: mean (±SD) | 26.1 (4.1) | 26.1 (4.2) | 25.4 (4.0) | 0.25 | 26.2 (4.2) | 26.0 (3.5) | 0.78 |
| Length in cm: mean (±SD) | 169.9 (8.2) | 169.8 (8.2) | 171.3 (9.3) | 0.44 | 169.7 (8.1) | 173.1 (8.5) | 0.003 |
| Weight in kg: mean (±SD) | 75.3 (13.6) | 75.3 (13.7) | 74.6 (13.0) | 0.97 | 75.2 (13.7) | 78.0 (12.7) | 0.064 |
| K&L grade 0, No (%) | 1058 (76) | 1048 (78) | 10 (26) | <0.001 | 1042 (80) | 6 (11) | <0.001 |
| K&L grade 1, No (%) | 331 (24) | 302 (22) | 29 (74) | <0.001 | 253 (20) | 49 (89) | <0.001 |
For the comparison between absence and presence of incident osteoarthritis, hips which developed end-stage osteoarthritis were excluded.
BMI, body mass index; K&L, Kellgren and Lawrence.