Table 1. Demographic characteristics of participants in the study.
| Character | Group | N | Mean | Median | Min | Max | Q25 | Q75 | SD | P value |
|---|---|---|---|---|---|---|---|---|---|---|
| Age (years) | HILT | 18 | 44.67 | 44.00 | 29.00 | 58.00 | 41.00 | 48.00 | 4.96 | 0.8436 |
| HILT (p) | 17 | 44.24 | 45.00 | 26.00 | 51.00 | 41.00 | 47.00 | 4.34 | ||
| LLLT | 16 | 45.19 | 45.50 | 29.00 | 53.00 | 42.00 | 47.50 | 4.17 | ||
| LLLT (p) | 17 | 45.76 | 52.00 | 22.00 | 76.00 | 36.00 | 56.00 | 15.04 | ||
| Height (cm) | HILT | 18 | 168.7 | 169.5 | 162.0 | 175.0 | 164.0 | 172.0 | 4.26 | 0.7176 |
| HILT (p) | 17 | 169.4 | 172.0 | 158.0 | 181.0 | 159.0 | 175.0 | 7.98 | ||
| LLLT | 16 | 168.9 | 168.0 | 156.0 | 176.0 | 168.0 | 172.0 | 4.57 | ||
| LLLT (p) | 17 | 169.8 | 170.0 | 164.0 | 177.0 | 168.0 | 171.0 | 2.96 | ||
| Body weight (kg) | HILT | 18 | 74.17 | 75.00 | 57.00 | 90.00 | 65.00 | 83.00 | 11.41 | 0.9674 |
| HILT (p) | 17 | 73.94 | 75.00 | 54.00 | 92.00 | 65.00 | 84.00 | 11.81 | ||
| LLLT | 16 | 75.38 | 75.00 | 59.00 | 92.00 | 62.00 | 90.00 | 12.99 | ||
| LLLT (p) | 17 | 76.06 | 78.00 | 55.00 | 87.00 | 74.00 | 82.00 | 8.89 | ||
| BMI (kg/m2) | HILT | 18 | 25.96 | 26.64 | 21.19 | 31.14 | 22.76 | 28.39 | 3.11 | 0.9782 |
| HILT (p) | 17 | 25.69 | 25.35 | 21.36 | 30.46 | 22.58 | 28.44 | 3.25 | ||
| LLLT | 16 | 26.42 | 26.25 | 19.05 | 31.89 | 21.97 | 30.42 | 4.31 | ||
| LLLT (p) | 17 | 26.36 | 27.04 | 18.59 | 28.38 | 26.93 | 27.77 | 2.86 | ||
| Duration of disease (months) | HILT | 18 | 55.89 | 57.00 | 46.00 | 64.00 | 51.00 | 60.00 | 5.97 | 0.9610 |
| HILT (p) | 17 | 55.41 | 56.00 | 46.00 | 64.00 | 52.00 | 60.00 | 5.96 | ||
| LLLT | 16 | 54.56 | 56.00 | 36.00 | 68.00 | 48.50 | 61.50 | 8.88 | ||
| LLLT (p) | 17 | 56.47 | 58.00 | 47.00 | 65.00 | 52.00 | 60.00 | 5.68 | ||
| Pain (VAS) | HILT | 18 | 7.22 | 8.00 | 4.00 | 10.00 | 5.00 | 9.00 | 1.96 | 0.0931 |
| HILT (p) | 17 | 7.59 | 8.00 | 5.00 | 9.00 | 7.00 | 9.00 | 1.42 | ||
| LLLT | 16 | 8.50 | 9.00 | 5.00 | 10.00 | 8.00 | 9.50 | 1.55 | ||
| LLLT (p) | 17 | 7.18 | 7.00 | 5.00 | 10.00 | 6.00 | 8.00 | 1.67 | ||
| Pain (LATQ) | HILT | 18 | 9.22 | 8.00 | 5.00 | 15.00 | 7.00 | 11.00 | 3.08 | 0.1047 |
| HILT (p) | 17 | 8.65 | 9.00 | 4.00 | 13.00 | 6.00 | 12.00 | 3.24 | ||
| LLLT | 16 | 7.75 | 8.00 | 4.00 | 12.00 | 6.00 | 9.00 | 2.32 | ||
| LLLT (p) | 17 | 6.94 | 6.00 | 4.00 | 12.00 | 5.00 | 9.00 | 2.66 | ||
| Schober test (cm) | HILT | 18 | 3.00 | 3.00 | 2.00 | 4.00 | 3.00 | 3.00 | 0.59 | 0.2889 |
| HILT (p) | 17 | 2.71 | 2.50 | 2.00 | 4.00 | 2.00 | 3.00 | 0.64 | ||
| LLLT | 16 | 3.19 | 3.00 | 2.00 | 4.00 | 3.00 | 3.50 | 0.54 | ||
| LLLT (p) | 17 | 4.12 | 4.00 | 3.00 | 5.00 | 3.00 | 5.00 | 0.86 | ||
| Laseque test - left extremity (o) | HILT | 18 | 60.83 | 60.00 | 25.00 | 85.00 | 55.00 | 75.00 | 17.84 | 0.2467 |
| HILT (p) | 17 | 39.71 | 35.00 | 25.00 | 60.00 | 30.00 | 50.00 | 11.38 | ||
| LLLT | 16 | 54.69 | 57.50 | 30.00 | 80.00 | 30.00 | 70.00 | 18.84 | ||
| LLLT (p) | 17 | 56.18 | 55.00 | 35.00 | 75.00 | 50.00 | 65.00 | 13.17 | ||
| Laseque test - right extremity (o) | HILT | 18 | 61.67 | 60.00 | 40.00 | 80.00 | 55.00 | 70.00 | 12.72 | 0.2045 |
| HILT (p) | 17 | 38.24 | 30.00 | 30.00 | 60.00 | 30.00 | 45.00 | 12.11 | ||
| LLLT | 16 | 52.81 | 57.50 | 25.00 | 75.00 | 30.00 | 70.00 | 18.71 | ||
| LLLT (p) | 17 | 58.53 | 65.00 | 30.00 | 75.00 | 50.00 | 65.00 | 13.32 |
Min: minimum value; Max: maximum value; Q25: lower quartile; Q75: upper quartile; SD: standard deviation; HILT: high-intensity laser therapy group; HILT (p): high-intensity laser therapy sham group; LLLT: low-level laser therapy group; LLLT (p): low-level laser therapy sham group. BMI: body mass index; VAS: visual analog scale; LATQ: Laitinen questionnaire. Statistical analysis was done with ANOVA.