Table 3 Outcome measure data from active phototherapy intervention group at all assessment time-points
Measures | Baseline (week 0) | Visit 4 (week2) | Visit 8 (week 4) | 4-week follow-up (week 8) | 8-week follow-up (week 12) | 12-week follow-up (week 16) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
N | Mean | SD | N | Mean | SD | N | Mean | SD | N | Mean | SD | N | Mean | SD | N | Mean | SD | |
SPA (peak pain–baseline pain) | ||||||||||||||||||
Pre | 10 | 2.00 | 1.41 | 8 | 0.75 | 0.89 | 8 | 0.50 | 1.07 | – | – | – | – | – | – | – | – | – |
Post | 10 | 1.30 | 1.34 | 8 | 0.50 | 0.93 | 8 | 0.38 | 1.06 | – | – | – | – | – | – | – | – | – |
Pain severity | ||||||||||||||||||
Worst | 10 | 4.20 | 2.04 | 8 | 2.88 | 2.42 | 8 | 3.00 | 1.77 | 9 | 1.67 | 1.50 | 8 | 1.75 | 2.32 | 9 | 2.44 | 3.09 |
At least | 10 | 1.70 | 1.49 | 8 | 0.25 | 0.46 | 8 | 0.25 | 0.46 | 9 | 0.22 | 0.44 | 8 | 0.25 | 0.46 | 9 | 0.44 | 1.01 |
Average | 10 | 3.30 | 1.42 | 8 | 1.38 | 1.06 | 8 | 1.13 | 0.84 | 9 | 1.33 | 1.12 | 8 | 0.88 | 0.99 | 9 | 1.22 | 1.72 |
Right now | 10 | 3.10 | 2.13 | 8 | 2.13 | 2.59 | 8 | 0.38 | 0.52 | 9 | 0.11 | 0.33 | 8 | 0.75 | 1.75 | 9 | 0.44 | 3.28 |
Index | 10 | 3.08 | 1.95 | 8 | 1.66 | 2.03 | 8 | 1.88 | 1.49 | 9 | 0.83 | 1.16 | 8 | 0.91 | 1.57 | 9 | 1.39 | 2.46 |
WOMAC | ||||||||||||||||||
Pain | 10 | 5.50 | 2.12 | 8 | 3.25 | 2.25 | 8 | 3.13 | 2.10 | 9 | 2.44 | 1.42 | 8 | 2.38 | 1.69 | 9 | 2.78 | 2.73 |
Stiffness | 10 | 3.20 | 1.75 | 8 | 1.50 | 1.20 | 8 | 1.38 | 1.06 | 9 | 2.11 | 1.27 | 8 | 1.62 | 1.51 | 9 | 0.78 | 0.83 |
Physical Function | 10 | 20.70 | 11.82 | 8 | 10.25 | 7.36 | 8 | 7.75 | 5.95 | 9 | 11.00 | 9.15 | 8 | 9.63 | 9.61 | 9 | 7.56 | 7.47 |
Total | 10 | 29.40 | 14.29 | 8 | 15.00 | 10.23 | 8 | 12.25 | 8.01 | 9 | 15.56 | 10.85 | 8 | 13.63 | 11.43 | 9 | 11.11 | 10.42 |
GROC Function | – | – | – | 8 | 7.38 | 1.30 | 8 | 8.63 | 1.85 | 9 | 8.33 | 1.32 | 8 | 8.87 | 1.25 | 9 | 9.11 | 1.45 |
GROC Pain | – | – | – | 8 | 7.25 | 1.39 | 8 | 8.25 | 1.83 | 9 | 8.22 | 1.39 | 8 | 8.63 | 1.30 | 9 | 8.67 | 1.66 |
Satisfaction | – | – | – | 8 | 10.88 | 0.35 | 8 | 11.00 | 0.00 | 9 | 10.22 | 1.99 | 8 | 10.38 | 1.41 | 9 | 10.44 | 1.33 |
6MWT (m) | ||||||||||||||||||
Pre | 10 | 391.78 | 103.98 | 8 | 449.85 | 63.53 | 8 | 469.57 | 50.71 | – | – | – | – | – | – | – | – | – |
Post | 10 | 402.62 | 88.99 | 8 | 456.09 | 64.78 | 8 | 489.27 | 62.21 | – | – | – | – | – | – | – | – | – |
Pressure pain threshold–mean of periopaterllar sites (N) | ||||||||||||||||||
Most painful knee | 10 | 46.49 | 31.46 | – | – | – | 8 | 57.68 | 29.82 | – | – | – | – | – | – | – | – | – |
Least painful knee | 10 | 52.09 | 40.40 | – | – | – | 8 | 56.70 | 27.91 | – | – | – | – | – | – | – | – | – |
Pressure pain threshold–standard site over tibialis anterior (N) | ||||||||||||||||||
Most painful knee | 10 | 47.7 | 35.83 | – | – | – | 8 | 53.38 | 25.52 | – | – | – | – | – | – | – | – | – |
Least painful knnee | 10 | 47.25 | 34.92 | – | – | – | 8 | 49.56 | 26.77 | – | – | – | – | – | – | – | – | – |