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Table 1 Comparison of baseline characteristics in the two groups

From: Effect of esketamine on postpartum depression after labor analgesia and potential mechanisms: a randomized, double-blinded controlled trial

Characteristic

Group E

(n = 59)

Group C

(n = 58)

P-value

Age (y)

27.6 ± 4.3

28.1 ± 3.9

0.556

Gestational age (weeks)

38.5 ± 2.6

38.8 ± 3.3

0.238

BMI (kg/m2)

28.2 ± 4.7

27.9 ± 5.1

0.318

Duration of the first stage

of labor (min)

588.6± 93.2

603.1± 101.4

0.676

Duration of the second stage

of labor (min)

108.8 ± 14.5

105.9 ± 12.7

0.412

Apgar score of fetus

at delivery (points)

9.1 ± 1.2

9.0 ± 1.3

0.822

Postpartum hemorrhage (ml)

245.3 ± 37.6

233.6 ± 35.2

0.638

Consumption of esketamine (mg)

4.3± 1.1

0

< 0.001

Consumption of ropivacaine (mg)

42.5± 5.3

44.7± 6.1

0.121

  1. Data are presented as mean ± SD. No significant differences between the two groups(P ≥ 0.05) except the consumption of esketamine (P < 0.001); mutual comparison were analyzed using single factor variance analysis(one-way ANOVA); BMI, Body mass index