From: Quadriceps muscle strength, radiographic knee osteoarthritis and knee pain: the ROAD study
Overall | Men | Women | P values | |
---|---|---|---|---|
N | 2152 | 690 | 1462 | |
Age, years | 71.6 ± 12.2 | 72.5 ± 12.3 | 71.2 ± 12.1 | 0.0164 |
Height, cm | 154.3 ± 9.2 | 163.1 ± 7.1 | 150.1 ± 6.8 | <0.0001 |
Weight, kg | 54.3 ± 10.7 | 61.6 ± 11.0 | 50.9 ± 8.6 | <0.0001 |
BMI, kg/m2 | 22.7 ± 3.4 | 23.1 ± 3.3 | 22.5 ± 3.5 | 0.0009 |
Right | ||||
Grip strength | 28.1 ± 9.6 | 37.2 ± 9.4 | 23.7 ± 5.8 | <0.0001 |
Quadriceps muscle strength, kgf | 28.1 ± 11.2 | 31.9 ± 12.7 | 26.2 ± 10.0 | <0.0001 |
Weight bearing index | 0.52 ± 0.20 | 0.52 ± 0.20 | 0.52 ± 0.20 | 0.8724 |
Lower limb muscle mass, kg | 6.3 ± 1.6 | 7.9 ± 1.5 | 5.5 ± 0.8 | <0.0001 |
Lower limb muscle mass/height2, kg/m2 | 2.6 ± 0.4 | 3.0 ± 0.4 | 2.4 ± 0.3 | <0.0001 |
Knee OA (%) | 44.1 | 31 | 50.3 | <0.0001 |
Knee pain (%) | 20.6 | 15.1 | 23.3 | <0.0001 |
Left | ||||
Grip strength | 26.2 ± 9.4 | 35.2 ± 9.1 | 22.0 ± 5.9 | <0.0001 |
Quadriceps muscle strength, kgf | 26.9 ± 11.2 | 30.6 ± 12.6 | 25.1 ± 9.9 | <0.0001 |
Weight bearing index | 0.50 ± 0.20 | 0.50 ± 0.20 | 0.50 ± 0.20 | 0.9715 |
Lower limb muscle mass, kg | 6.2 ± 1.6 | 7.8 ± 1.5 | 5.4 ± 0.8 | <0.0001 |
Lower limb muscle mass/height2, kg/m2 | 2.6 ± 0.4 | 2.9 ± 0.4 | 2.4 ± 0.3 | <0.0001 |
Knee OA (%) | 45.2 | 33 | 51 | <0.0001 |
Knee pain (%) | 20 | 13.9 | 22.9 | <0.0001 |