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Retrospective Cohort Study
Copyright: ©Author(s) 2026.
World J Psychiatry. Aug 19, 2026; 16(8): 116923
Published online Aug 19, 2026. doi: 10.5498/wjp.v16.i8.116923
Table 2 Comparison of labor progression time between the two groups, mean ± SD
Labor stage
Control group (n = 266)
Observation group (n = 257)
t value
P value
First stage438.62 ± 126.75329.45 ± 82.3111.573< 0.001
Latent phase215.38 ± 68.42156.27 ± 45.199.846< 0.001
Active phase223.24 ± 59.61173.18 ± 38.5210.217< 0.001
Second stage64.83 ± 23.5737.56 ± 12.4914.692< 0.001
Third stage5.79 ± 1.824.65 ± 1.237.6350.052
Total labor duration509.24 ± 148.36371.66 ± 95.7312.308< 0.001


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