Table 1.
Baseline patient characteristics
| Characteristics |
Continuous SWD†
N=11 |
Pulsed SWD†
N=16 N (%) |
Total
N=27 N (%) |
P (between groups) |
|---|---|---|---|---|
| Age (years)Mean±SD Median; min- max |
57.9±5.0 56; 52-65 |
54.8±4.4 56; 49-60 |
56.85±5.855 57; 49-65 |
0.900 |
| BMIα (kg/m2) Mean±SD Median; min- max |
33.6±4.1 33.7; 26-40.6 |
34.7 ± 4.8 33.4; 28.9-42 |
34.2±4.5 33.7; 26-42 |
0.534 |
| Symptom duration (months) Mean±SD Median; min- max |
87.6±57.5 120.0; 4-180 |
36.6 ± 33.3 30;1-120 |
57.4 ± 50.6 48; 1-180 |
0.039 |
| NSAIDs use, N (%) | 5(45.5) | 4(25) | 9(33.3) | 0.411 |
| Right knee KL grade 2, N (%) Right knee KL grade 3, N (%) |
4(36.4) 7(63.6) |
12(75) 4(25) |
16(59.3) 11(40.7) |
0.061 |
| Left knee KL grade 2, N (%) Left knee KL grade 3, N (%) |
5(45.5) 6(54.5) |
12(75) 4(25) |
17(63) 10(37) |
0.224 |
| Pre treatment VAS* for pain (mm) Mean±SD Median; min- max |
77.3±20.0 80; 50-100 |
75.0±21.6 80; 40-100 |
75.9±20.6 80; 40-100 |
0.839 |
| Pre treatment 6MWT◦ (m) Mean±SD Median; min- max |
352.3±67.4 350; 250-440 |
323.3±88.3 327.5; 80-460 |
335.07±80.343 340; 80-460 |
0.367 |
| Pre treatment WOMAC¨ total score Mean±SD Median; min- max |
52.1±18.1 54; 26-78 |
47.9±15.3 45; 16.73 |
49.6±16.3 48; 16-78 |
0.521 |
†Short-wave diathermy, αBody mass index, ∞Kellgren Lawrance *Visual analogue scale for pain (range 0-100mm), ◦6 minute walking test, ¨ Western Ontario and Mcmaster University Osteoarthritis Index