N
|
94
|
298
|
103
| |
Age (years), mean (SD)
|
60.98 (9.81)
|
61.42 (9.66)
|
59.53 (10.04)
|
0.2992*
|
Women, n (%)
|
58 (61.70)
|
179 (60.07)
|
63 (61.17)
|
0.9509**
|
BMI (kg/m2), mean (SD)
|
26.78 (4.49)
|
28.85 (5.70)
|
31.96 (6.49)
|
< 0.0001*
|
Pain severity (NRS 0–10)a, mean (SD)
| |
4.55 (2.52)
|
7.40 (2.14)
|
< 0.0001†
|
Global X-ray score (mm, 0–60), mean (SD)
|
2.24 (3.08)
|
5.72 (7.00)
|
11.28 (9.26)
|
< 0.0001*
|
Radiographic OA, n (%)
|
7 (7.45)
|
80 (26.85)
|
49 (47.57)
|
< 0.0001**
|
Muscle strengthb, n (%)
|
Quadriceps strength (kg, lowest tertile)
|
33 (35.11)
|
99 (33.22)
|
65 (63.11)
|
< 0.0001**
|
Hip abductor strength (kg, lowest tertile)
|
33 (35.11)
|
119 (39.93)
|
68 (66.02)
|
< 0.0001**
|
Use of analgesics, n (%)
|
Prescribed NSAIDs
|
3 (3.19)
|
19 (6.38)
|
15 (14.56)
|
0.0018
|
Opioids
|
3 (3.19)
|
44 (14.77)
|
22 (21.36)
|
0.0005
|
Over-the-counter NSAIDs
|
12 (12.77)
|
68 (22.82)
|
32 (31.07)
|
0.0021
|