Table 4.
Findings in the PainCoach group, active PainCoach subgroup, and control group 1 month after surgery.
|
|
1. PainCoach (n=38) |
2. Active PainCoach (n=19) |
3. Control (n=33) |
P value (1 vs 3) |
P value (2 vs 3) |
|
| VASa pain, median (IQRb) |
|
|
|
|
|
|
|
|
Knee at rest | 11.5 (5.0-20.8) | 11.5 (4.3-18.8) | 10.0 (5.0-25.0) | .77 | .53 |
|
|
Knee during activity | 14.0 (7.0-28.8) | 12.5 (9.3-26.3) | 15.0 (8.0-35.0) | .49 | .59 |
|
|
Knee at night | 15.0 (7.0-33.0) | 15.0 (5.0-33.0) | 15.0 (7.0-27.8) | .79 | .89 |
| Acceptable pain, n (%) |
|
|
|
|
|
|
|
|
Knee at rest | 31 (96.9) | 16 (100.0) | 28 (96.6) | >.99 | >.99 |
|
|
Knee during activity | 30 (93.8) | 15 (93.8) | 25 (86.2) | .41 | .64 |
|
|
Knee at night | 26 (81.3) | 14 (87.5) | 26 (89.7) | .48 | >.99 |
| KOOS-PSc, mean (SD) | 36.5 (10.5) | 33.5 (8.4) | 39.6 (9.8) | .24 | .04d | |
| OKSe, mean (SD) | 28.4 (8.4) | 29.9 (9.1) | 26.8 (6.2) | .42 | .18 | |
| EQ-5Df descriptive system, median (IQR) | 0.775 (0.693-0.843) | 0.811 (0.775-0.857) | 0.775 (0.651-0.811) | .34 | .11 | |
| EQ VASg, median (IQR) | 80.0 (70.0-90.0) | 83.5 (70.0-90.0) | 80.0 (65.5-89.5) | .56 | .32 | |
aVAS: visual analog scale.
bIQR: interquartile range.
cKOOS-PS: Knee Injury and Osteoarthritis Outcome Score–Physical Function Short-form.
dSignificant difference (P<.05).
eOKS: Oxford Knee Score.
fEQ-5D: EuroQol-5 Dimensions.
gEQ VAS: EuroQol visual analog scale.