Efficacy of peritoneal drainage in very-low-birth-weight neonates with Bell’s stage II necrotizing enterocolitis: A single-center retrospective study

Table 1 General information

Groups	n	Sex, n (%)		Birth weight	1-min Apgar score	5-min Apgar score
		Male	Female
Conservative treatment	42	26 (61.9)	16 (38.1)	2.11 ± 1.00	8.05 ± 1.15	9.29 ± 0.71
Peritoneal drainage group	24	13 (54.17)	11 (45.83)	2.05 ± 0.88	7.88 ± 1.15	9.00 ± 0.83
Exploratory laparotomy group	36	28 (77.78)	8 (22.22)	1.98 ± 0.84	8.19 ± 1.21	9.08 ± 0.77
t value		4.01		0.13	1.02	2.24
P value		0.134		0.936	0.601	0.326