Effect of percutaneous electrical stimulation at the Baliao point on preventing postpartum urinary retention after labor analgesia

Table 1 Comparison of general data between the two groups

General information	Combined therapy group (n = 86)	Control group (n = 82)	t/χ2 value	P value
Age (yr)	29.43 ± 3.54	29.19 ± 3.81	0.423	0.673
Reproductive history, n (%)			0.151	0.697
Primipara	57 (66.28)	52 (63.41)
Multipara	29 (33.72)	30 (36.59)
Gestational age at delivery (wk)	38.98 ± 1.35	38.76 ± 1.28	1.083	0.280
First stage labor duration (min)	505.54 ± 163.08	508.67 ± 161.23	0.125	0.901
Second-stage labor duration (min)	83.75 ± 23.14	84.59 ± 22.76	0.237	0.813
Third-stage labor duration (min)	9.18 ± 3.23	9.34 ± 3.08	0.328	0.743
Neonatal weight (kg)	3.25 ± 0.87	3.29 ± 0.92	0.138	0.772