Table 1 Comparison of the mean and significance of the differences in pressure pain threshold pre-and post-intervention in the trigger point group (n = 30) versus the control group (n = 11) versus all subjects (n = 41).

Mean Pre (95 % CI) in kg/cm²

3.55 (3.20–3.90)

5.91 (5.18–6.64)

4.18 (3.73–4.64)

Mean Post (95 % CI) in kg/cm²

4.00 (3.56–4.44)

6.73 (5.77–7.68)

4.73 (4.18–5.29)

Difference (95 % CI) in kg/cm²

0.45 (0.11–0.80)

0.82 (0.09–1.54)

0.55 (0.25–0.85)

Change in proportion

14.60 % (3.09–26.12)

14.30 % (2.11–26.49)

14.52 % (5.76–23.29)

P value

0.011

0.030

0.001