Table 3. Clinical outcomes of the total patients and adherent and non-adherent groups (baseline and 3 weeks’ follow-up).
| Variables | Knee OA patients | |||||||
|---|---|---|---|---|---|---|---|---|
| Baseline | Follow up | |||||||
| Total (n = 1,334) |
Adherent (n = 1,167) |
Non-adherent (n = 167) |
P value | Total (n = 1,334) |
Adherent (n = 1,167) |
Non-adherent (n = 167) |
P value | |
| Pain NRS, mean (SD) | 6.2 (1.5) | 6.1 (1.5) | 6.4 (1.6) | 0.027 | 4.4 (1.9) | 4.3 (1.9) | 4.9 (2.2) | 0.003 |
| KOOS-K, mean (SD) | ||||||||
| Symptom | 67.1 (19.4) | 67.0 (19.5) | 67.9 (18.7) | 0.579 | 74.0 (16.8) | 74.3 (16.7) | 71.6 (17.0) | 0.048 |
| Pain | 59.8 (18.0) | 59.6 (18.1) | 61.2 (16.9) | 0.234 | 67.2 (16.5) | 68.6 (16.4) | 64.9 (16.6) | 0.005 |
| ADLs | 60.8 (18.4) | 60.7 (18.6) | 61.6 (17.5) | 0.568 | 68.4 (16.5) | 68.9 (16.4) | 64.8 (17.3) | 0.003 |
| Sports/recreation | 29.3 (21.7) | 29.7 (21.3) | 27.0 (21.7) | 0.141 | 36.2 (23.7) | 36.6 (23.3) | 33.3 (26.2) | 0.090 |
| QOL | 45.2 (16.9) | 45.3 (16.9) | 44.1 (17.3) | 0.371 | 49.7 (17.1) | 50.1 (16.9) | 47.5 (18.5) | 0.075 |
| EQ-5D Index, mean (SD) | 0.71 (0.2) | 0.71 (0.1) | 0.69 (0.2) | 0.257 | 0.76 (0.1) | 0.76 (0.1) | 0.74 (0.2) | 0.097 |
| EQ-5D VAS, mean (SD) | 59.7 (18.3) | 59.4 (18.3) | 61.9 (18.3) | 0.109 | 66.2 (16.4) | 66.2 (16.1) | 66.3 (18.5) | 0.917 |
Abbreviations: OA, osteoarthritis; NRS, Numeric Rating Scale; SD, standard deviation; KOOS-K, Knee injury and Osteoarthritis Outcome Score-Korean; ADL, Activities of Daily Living; QOL, Quality of life; EQ-5D Euro Quality of Life-Five Dimensions; EQ-VAS, Euro Quality of Life-Visual Analogue Scale.
Values are presented by mean (SD).