Comparison of the Neck Pain and Disability Inventory scale scores of the subjects within and among the groups
| Group I | Group II | Group III | p | |||||
|---|---|---|---|---|---|---|---|---|
| Avg. ± s.d. | Med | Avg. ± s.d. | Med | Avg. ± s.d. | Med | |||
| Score received for the Neck Pain and Disability Inventory | ||||||||
| Before treatment | 35.7 ± 14.9 | 41.5 | 31.4 ± 13.6 | 38.0 | 32.4 ± 16.2 | 33.5 | 0.270 K | |
| After treatment | 35.1 ± 14.6 | 40.5 | 30.8 ± 13.4 | 37.5 | 31.3 ± 15.8 | 32.5 | 0.244 K | |
| Change before/after treatment | –0.6 ± 0.7 | –1.0 | –0.5 ± 0.9 | 0.0 | –1.1 ± 1.0 | –1.0 | 0.013 K | |
| Change: p-value | 0.000 w | 0.009 w | 0.000 w | |||||
Distribution by age, gender and educational status in the study groups
| Group I | Group II | Group III | p | |||||
|---|---|---|---|---|---|---|---|---|
| Avg ± SD/n-% | Med | Avg ± SD/n-% | Med | Avg ± SD/n-% | Med | |||
| Age | 24.0 ± 2.2 | 24.0 | 24.6 ± 2.5 | 24.0 | 24.9 ± 2.6 | 25.0 | 0.346 A | |
| Sex | Female | 21–70.0 | 15–50.0 | 19–63.3 | 0.270 X2 | |||
| Male | 9–30.0 | 15–50.0 | 11–36.7 | |||||
| Educational status | ||||||||
| Undergraduate | 19–63.3 | 23–76.7 | 22–73.3 | 0.495 X2 | ||||
| Graduate | 11–36.7 | 7–23.3 | 8–26.7 | |||||
Relationship between the difficulty in opening and closing the mouth, scores obtained in the Neck and Disability Inventory score and movement- and rest-related VAS scores
| Difficulty in opening and closing the mouth | |||||
|---|---|---|---|---|---|
| Present | Not present | p | |||
| Avg.±s.d. | Med | Avg.±s.d. | Med | ||
| Score received for the Neck Pain and Disability Inventory | |||||
| Before treatment | 44.3 ± 7.6 | 45.0 | 18.6 ± 7.8 | 19.0 | 0.000 m |
| After treatment | 43.3 ± 7.4 | 44.0 | 18.1 ± 7.7 | 19.0 | 0.000 m |
| Movement-related VAS | |||||
| Before treatment | 6.4 ± 0.8 | 6.0 | 2.9 ± 1.3 | 3.0 | 0.000 m |
| After treatment | 6.1 ± 0.9 | 6.0 | 2.8 ± 1.3 | 3.0 | 0.000 m |
| VAS during rest | |||||
| Before treatment | 5.5 ± 1.3 | 5.0 | 2.4 ±1.3 | 2.0 | 0.000 m |
| After treatment | 5.3 ± 1.3 | 5.0 | 2.4 ±1.3 | 2,0 | 0.000 m |
Relationship between the ratio of the anterior tilt position of the head, ratio of difficulty in opening and closing the mouth and ratio of trigger points in the trapezius and sternocleidomastoid muscles before and after treatment
| Anterior tilt of the head | ||||||
|---|---|---|---|---|---|---|
| Present | Not present | p | ||||
| n | % | n | % | |||
| Difficulty in opening and closing the mouth | (+) | 49 | 89.1% | 2 | 5.7% | 0.000 X2 |
| (–) | 6 | 10.9% | 33 | 94.3% | ||
| Trigger point in the SCM muscle | ||||||
| Before treatment | (+) | 50 | 90.9% | 1 | 2.9% | 0.000 X2 |
| (–) | 5 | 9.1% | 34 | 97.1% | ||
| After treatment | (+) | 50 | 90.9% | 1 | 2.9% | 0.000 X2 |
| (–) | 5 | 9.1% | 34 | 97.1% | ||
| Trigger point in the trapezius muscle | ||||||
| Before treatment | (+) | 48 | 87.3% | 3 | 8.6% | 0.000 X2 |
| (–) | 7 | 12.7% | 32 | 91.4% | ||
| After treatment | (+) | 48 | 87.3% | 3 | 8.6% | 0.000 X2 |
| (–) | 7 | 12.7% | 32 | 91.4% | ||
Relationship between the ratio of difficulty in opening and closing the mouth, ratio of trigger points in the trapezius and sternocleidomastoid muscles before and after treatment and ratio of trigger points in the masseter muscle after the treatment
| Difficulty in opening and closing the mouth | ||||||
|---|---|---|---|---|---|---|
| Present | Not present | p | ||||
| n | % | n | % | |||
| Trigger point in the SCM muscle | ||||||
| Before treatment | (+) | 48 | 94.1% | 3 | 7.7 | 0.000 X2 |
| (–) | 3 | 5.9 | 36 | 92.3% | ||
| After treatment | (+) | 48 | 94.1% | 3 | 7.7 | 0.000 X2 |
| (–) | 3 | 5.9 | 36 | 92.3% | ||
| Trigger point in the trapezius muscle | ||||||
| Before treatment | (+) | 45 | 88.2% | 6 | 15.4% | 0.000 X2 |
| (–) | 6 | 11.8% | 33 | 84.6% | ||
| After treatment | (+) | 45 | 88.2% | 6 | 15.4% | 0.000 X2 |
| (–) | 6 | 11.8% | 33 | 84.6% | ||
| Trick point in the masseter muscle | ||||||
| After treatment | (+) | 40 | 78.4% | 36 | 92.3% | 0.072 X2 |
| (–) | 11 | 21.6% | 3 | 7.7 | ||
Comparison of the movement- and rest-related VAS scores of the subjects within and among the groups
| Group I | Group II | Group III | p | |||||
|---|---|---|---|---|---|---|---|---|
| Avg. ± s.d. | Med | Avg. ± s.d. | Med | Avg. ± s.d. | Med | |||
| Movement-Related VAS | ||||||||
| Before treatment | 5.3 ± 1.9 | 6.0 | 4.9 ± 1.7 | 5.5 | 4.4 ± 2.3 | 5.5 | 0.317 | K |
| After treatment | 5.1 ± 1.9 | 5.5 | 4.7 ± 1.7 | 5.0 | 4.1 ± 2.2 | 5.0 | 0.202 | K |
| Change before/after treatment | –0.2 ± 0.4 | 0.0 | –0.2 ± 0.4 | 0.0 | –0.3 ± 0.5 | 0.0 | 0.275 | K |
| Change: p-value | 0.025 w | 0.014 w | 0.014 w | |||||
| VAS during Rest | ||||||||
| Before treatment | 4.0 ± 1.8 | 5.0 | 4.2 ± 1.9 | 5.0 | 4.3 ± 2.3 | 4.5 | 0.880 | K |
| After treatment | 4.0 ± 1.8 | 5.0 | 4.1 ± 2.0 | 5.0 | 3.9 ± 2.1 | 4.0 | 0.846 | K |
| Change before/after treatment | 0.0 ± 0.3 | 0.0 | –0.1 ± 0.4 | 0.0 | –0.3 ± 0.5 | 0.0 | 0.003 | K |
| Change: p-value | 1.000 w | 0.317 w | 0.002 w | |||||