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Table 3 Comparison of duration of labor in two group

From: The effects of transcutaneous electrical nerve stimulation during the first stage of labor: a randomized controlled trial

Duration of labor

Experimental group (N = 161)

Control group

(N = 165)

t-value

p-value

Duration of active phase in minutes

172.25 ± 81.09

272.15 ± 110.41

9.32

0.001

Duration of second stage in minutes

38.45 ± 28.21

42.53 ± 29.61

−1.27

0.204

Duration of third stage in minutes

7.84 ± 7.81

8.61 ± 16.64

0.53

0.596