Pain, Physical Function, Radiographic Features, and Quality of Life in Knee Osteoarthritis Agricultural Workers Living in Rural Population
Table 4
Comparison of demographic and clinical characteristic, WOMAC, EQ-5D, and VAS subscores of OA patients between early (Kellgren–Lawrence stage 1-2) and late (Kellgren–Lawrence stage 3-4) radiological stages.
Characteristic
Kellgren–Lawrence stage
1 or 2
3 or 4
value
Age
56.0 ± 6.6
69.5 ± 5.3
<0.001
Duration of disease
2.3 ± 1.2
4.8 ± 1.2
<0.001
Body mass index (kg/m2)
28.1 ± 2.5
30.4 ± 3.0
0.004
EQ-5D
Mobility
2.0 ± 0.0
2.0 ± 0.2
0.412
Self-care
1.9 ± 0.2
2.0 ± 0.3
0.360
Usual activities
2.0 ± 0.0
2.1 ± 0.3
0.303
Pain/discomfort
2.5 ± 0.5
2.9 ± 0.3
<0.001
Anxiety/depression
2.0 ± 0.3
2.0 ± 0.2
0.711
Visual analogue scale
6.7 ± 1.3
7.6 ± 1.1
0.002
WOMAC
Pain
8.9 ± 3.0
10.8 ± 2.4
0.041
Stiffness
3.2 ± 1.5
3.4 ± 1.3
0.413
Function
42.3 ± 9.7
48.9 ± 6.9
0.005
Values are expressed as means ± SD. According to t-test; according to Mann–Whitney U-test. Numbers in bold: statistically significant difference.