Table 3.
Comparison of mean difference of pain pressure thresholds and cervical alignment of the three groups post treatment.
| Variable | Groups | Mean Difference | 95% CI | Cohens’ d |
|---|---|---|---|---|
| PPT UTrt (Kg/cm2) |
Group A-Group B | .84* | .34-1.35 | 1.7 |
| Group A-Group C | 1.18* | .68-1.68 | 1.6 | |
| Group B-Group C | .34 | −.16-.84 | .5 | |
| PPT UTlt (Kg/cm2) |
Group A-Group B | .80* | .35-1.25 | 1.6 |
| Group A-Group C | 1.09* | .65-1.54 | 1.7 | |
| Group B-Group C | .29 | −.15-.74 | .46 | |
| PPT Subrt (Kg/cm2) |
Group A-Group B | .76* | .39-1.12 | 1.9 |
| Group A-Group C | .94* | .57-1.29 | 1.8 | |
| Group B-Group C | .18 | −.18-.54 | .14 | |
| PPT Sublt (Kg/cm2) |
Group A-Group B | .70* | .30-1.09 | 1.6 |
| Group A-Group C | .74* | .35-1.32 | 1.3 | |
| Group B-Group C | .04 | −.35-.43 | 0 | |
| CA(°) | Group A-Group B | 4.89* | 1.72-8.06 | 1.6 |
| Group A-Group C | 5.68* | 2.54-8.82 | 1.3 | |
| Group B-Group C | .79 | −2.35-3.92 | 0 | |
| AHT (mm) | Group A-Group B | −3.81* | −6.31- −1.31 | 1.3 |
| Group A-Group C | −3.84* | −6.32- −1.36 | 1.1 | |
| Group B-Group C | −.034 | −2.51-2.44 | 0 |
*P < 0.05; Group A: Instrument-assisted soft tissue mobilization; Group B: Pressure Algometry; Group C: Sham Ultrasound Control; CA: Cervical Lordosis Angle; AHT: Anterior Head Translation; PPT: Pain Pressure Threshold; UTrt: right upper trapezius; UTlt: left upper trapezius; Subrt: right suboccipital; Sublt: left suboccipital; CI: Confidence Interval.Cohens’ d values indicating a ‘small,’ ‘medium,’ and ‘large’ effect size are .20, .50, and .80 respectively