Role of relaxin in diastasis of the pubic symphysis peripartum

Table 2 Comparison of multiple factors between patients with or without diastasis of the pubic symphysis

Variables	Control group	Observational group	t	P value
Relaxin concentration (µg/mL)	170.435 ± 42.299	122.380 ± 0.729	3.245	0.002
Weight of baby (g)	3676.000 ± 521.725	3379.487 ± 402.420	2.229	0.03
Gestational age (wk)	39.809 ± 0.839	39.105 ± 1.258	1.998	0.051
Age at delivery (yr)	29.667 ± 4.271	30.795 ± 4.964	−0.776	0.441
Pre-pregnancy weight	75.467 ± 8.269	76.731 ± 10.807	−0.408	0.685
Weight gain during pregnancy	18.643 ± 2.706	17.716 ± 4.759	0.685	0.497
First stage of labor (min)	359 ± 134.346	374.25 ± 122.553	−0.311	0.758
Second stage of labor (min)	54.70 ± 43.16	45.80 ± 39.325	0.566	0.576