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

Table 2 Comparison of clinical indicators between the two groups

Clinical indicators	Combined therapy group (n = 86)	Control group (n = 82)	t/χ2 value	P value
Time of first spontaneous urination after delivery (h)	2.92 ± 1.04	3.61 ± 1.13	4.121	< 0.001
First postpartum urine volume (mL)	163.54 ± 24.67	143.72 ± 23.95	5.280	< 0.001
Bladder residual urine volume (mL)	54.81 ± 10.78	65.25 ± 13.52	5.547	< 0.001
Postpartum hemorrhage volume (mL)	323.15 ± 46.95	348.12 ± 45.03	3.515	0.001
Waiting time for urination (min)	0.94 ± 0.31	1.29 ± 0.42	6.165	< 0.001
PUR occurrence	4 (4.65)	13 (15.85)	5.792	0.016

PUR: Postpartum urinary retention.

Table 3 Comparison of clinical efficacy between the two groups, n (%)

Group	Number	Remarkable result	In force	Null and void	Total efficacy rates
Combined therapy group	86	59 (68.60)	23 (26.75)	4 (4.65)	82 (95.35)
Control group	82	34 (41.46)	35 (42.69)	13 (15.85)	69 (84.15)
χ2 value					5.792
P value					0.016