Research Article

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.

CharacteristicKellgren–Lawrence stage
1 or 23 or 4 value

Age56.0 ± 6.669.5 ± 5.3<0.001
Duration of disease2.3 ± 1.24.8 ± 1.2<0.001
Body mass index (kg/m2)28.1 ± 2.530.4 ± 3.00.004
EQ-5D
 Mobility2.0 ± 0.02.0 ± 0.20.412
 Self-care1.9 ± 0.22.0 ± 0.30.360
 Usual activities2.0 ± 0.02.1 ± 0.30.303
 Pain/discomfort2.5 ± 0.52.9 ± 0.3<0.001
 Anxiety/depression2.0 ± 0.32.0 ± 0.20.711
 Visual analogue scale6.7 ± 1.37.6 ± 1.10.002
WOMAC
 Pain8.9 ± 3.010.8 ± 2.40.041
 Stiffness3.2 ± 1.53.4 ± 1.30.413
 Function42.3 ± 9.748.9 ± 6.90.005

Values are expressed as means ± SD. According to t-test; according to Mann–Whitney U-test. Numbers in bold: statistically significant difference.