From: Factors affecting the quality of life after total knee arthroplasties: a prospective study
 | Gender | Age | BMI | Level of education | Social support | Residence | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
 | male | female | <65 years | ≥ 65 years | <30 | ≥30 | Low§ | high | yes | no | rural | urban/semi |
WOMAC scale | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Pain | 1.6(2.4) | 1.4(2.4) | 1.3(1.9) | 1.7(2.5 ) | 1.5(2.2) | 1.7(2.6) | 1.1(1.5) | 1.7(2.5) | 1.5(2.3) | 2.1(2.9) | 1.7(2.4) | 2.1(2.8) |
Function | 7.5(9.4) | 7.2(8.1) | 5.3(6.7) | 7.9(8.8) | 6.4(8.1) | 7.9(8.6) | 6.4(7.7) | 7.4(8.5) | 7.0(8.5) | 8.4(8.1) | 7.2(8.1) | 8.3(9.3) |
Stiffness | 0.7(0.9) | 0.8(1.1) | 0.7(0.9) | 0.9(1.1) | 0.8(1.0) | 0.9(1.0) | 0.9(1.1) | 0.5(0.7) | 0.8(1.0) | 0.9(1.1) | 0.9(1.1) | 0.7(.09) |
KSS | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Knee score | 89.2(12.1) | 89.3(10.6) | 90.9(10.3) | 88.64(11.1) | 89.8(10.5) | 88.7(10.9) | 92.3(5.7) | 88.7(11.5) | 90.6(9.5) | 89.4(10.6) | 87.0(12.6) | 90.6(9.5) |
Function score | 69.3(15.0) | 68.4(13.9) | 72.1(13.2) | 67.4(14.1) | 69.6(14.1) | 67.7(14.1) | 67.1(12.7) | 68.8(14.4) | 69.0(13.9) | 66.5(14.8) | 65.2(13.3) | 70.8(14.2) |
CES-D10 | 1.7(4.6) | 3.0(4.5)†| 2.1(3.8) | 2.9(4.7) | 2.3(4.1) | 2.9(4.8) | 1.9(3.4) | 2.8(4.7) | 2.6(4.4) | 3.3(5.2) | 3.1(5.0) | 2.4(4.5) |
Pain VAS | 1.5(2.1) | 1.7(2.1) | 1.(2.0) | 1.7(2.1) | 1.5(2.1) | 1.7(2.0) | 1.3(1.8) | 1.7(2.1) | 1.5(2.0) | 2.0(2.4) | 1.9(2.2) | 1.4(2.0) |