Variables | Pulsed laser (n = 26) Median (25–75%) | Pulsed ultrasound (n = 24) Median (25–75%) | Continuous ultrasound (n = 26) Median (25–75%) | Control (n = 24) Median (25–75%) | p |
---|---|---|---|---|---|
Pain (VAS) (0–10 cm) | |||||
Pre | 5.7 (4.8–7) | 6 (4.2–6.9) | 5.9 (4.9–6,7) | 6 (5–7) | 0.791 |
Post | 0.5 (0.1–8) *+# | 1.4 (0.8–3) *¥€ | 1.1 (0.4–7) +¥£ | 6.3 (5–7.2) #€£ | 0.001 |
Difference between groups | 4.8 (1.3) * | 3.7 (2.0) + | 3.7 (2.0) # | −0.2 (1.7) *+# | 0.001 |
Pain (McGill – total) (0–67) | |||||
Pre | 23.5 (18–33) | 28.5 (24–34.5) | 24 (20–29) | 24 (20–30.5) | 0.213 |
Post | 9.5 (3–23) * | 13.5 (2.5–24.5) + | 12 (5–20) # | 34 (16.5–42.5) *+# | 0.005 |
Difference between groups | 10.76 (14.32) * | 12.41 (14.52) + | 11.03 (16.26) # | −26.54 (16.22) *+# | 0.001 |
Sensory (0–34) | |||||
Pre | 13.5 (10–19) | 16.5 (10–20) | 15 (12–22) | 15.5 (13–19) | 0.84 |
Post | 6.5 (0–12) * | 7 (2–15) + | 9 (3–13) # | 19 (10.5–23.5) *+# | 0.002 |
Difference between groups | 6.1 (8.0) | 6.0 (8.1) | 7.1 (11.3) # | −0.5 (8.4) # | 0.026 |
Affective (0–17) | |||||
Pre | 6 (4–7) | 5 (4–6.5) | 5 (3–8) | 5 (3–6) | 0.794 |
Post | 2 (0–6) * | 2.5 (0–5.5) + | 2 (1–5) # | 7 (2–9.5) *+# | 0.013 |
Difference between groups | 2.3 (3.8) * | 2.2 (3.4) + | 2.6 (4.2) # | −1.3 (4.2) *+# | 0.003 |
Functional disability (0–24) | |||||
Pre | 4 (4–7) | 6 (3–8.5) | 4 (3–7) | 4 (3–8) | 0.83 |
Post | 1.5 (1–4) * | 1 (0–4.5) + | 2 (1–4) # | 5.5 (3–8) *+# | 0.001 |
Difference between groups | 2.9 (2.3) * | 2.9 (2.8) + | 2.4 (3.0) # | −0.04 (2.3) *+# | 0.001 |