Table 6.
Comparison within all groups (short-term results with follow-ups)
| Measurement | Group | F-value | p-value |
|---|---|---|---|
| VAS | HILT | 90.30 | 0.0000 |
| LQIP | HILT | 41.60 | 0.0000 |
| ODI | HILT | 22.18 | 0.0000 |
| RMDQ | HILT | 12.99 | 0.0000 |
| ST | HILT | 29.59 | 0.0000 |
| LT (right) | HILT | 6.69 | 0.0000 |
| LT (left) | HILT | 2.34 | 0.0810 |
| VAS | HILT (p) | 43.04 | 0.0000 |
| LQIP | HILT (p) | 27.93 | 0.0000 |
| ODI | HILT (p) | 42.88 | 0.0000 |
| RMDQ | HILT (p) | 15.80 | 0.0000 |
| ST | HILT (p) | 24.65 | 0.0000 |
| LT (right) | HILT (p) | 10.32 | 0.0000 |
| LT (left) | HILT (p) | 12.02 | 0.0000 |
| VAS | LLLT | 40.36 | 0.0000 |
| LQIP | LLLT | 7.56 | 0.0000 |
| ODI | LLLT | 4.14 | 0.0000 |
| RMDQ | LLLT | 6.29 | 0.0000 |
| ST | LLLT | 6.75 | 0.0000 |
| LT (right) | LLLT | 1.16 | 0.3336 |
| LT (left) | LLLT | 1.44 | 0.2397 |
| VAS | LLLT (p) | 32.62 | 0.0000 |
| LQIP | LLLT (p) | 11.39 | 0.0000 |
| ODI | LLLT (p) | 12.31 | 0.0000 |
| RMDQ | LLLT (p) | 15.17 | 0.0000 |
| ST | LLLT (p) | 4.54 | 0.0000 |
| LT (right) | LLLT (p) | 3.77 | 0.0000 |
| LT (left) | LLLT (p) | 2.60 | 0.0595 |
Note: Statistically significant values shown in bold.
Abbreviations: HILT, high-intensity laser therapy group; HILT (p), high-intensity laser therapy placebo group; LLLT, low-level laser therapy group; LLLT (p), low-level laser therapy placebo group; LQIP, Laitinen Questionnaire Indicators of Pain; LT, Lasegue test; ODI, Oswestry Disability Index; RMDQ, Roland–Morris Disability Questionnaire; ST, Schober’s test; VAS, visual analogue scale.