Table 2 Comparison of mean VAS scores in two groups
Pain Score | Experimental group (N = 161) | Control group (N = 16) | t-value | p-value |
|---|---|---|---|---|
Immediately after the randomization | 5.56 ± 1.56 | 5.64 ± 1.66 | 0.43 | 0.665 |
30 min after TENS therapy | 5.67 ± 1.71 | 7.40 ± 1.40 | 9.96 | 0.001 |
60 min after TENS therapy | 5.89 ± 1.92 | 8.78 ± 1.32 | 15.81 | 0.001 |
120 min after TENS therapy | 5.45 ± 1.74 | 9.29 ± 1.39 | 22.05 | 0.001 |
2–24 h after delivery | 6.02 ± 1.53 | 9.43 ± 0.98 | 23.86 | 0.001 |