Predictors of outcomes of endoscopic balloon dilatation in strictures after esophageal atresia repair: A retrospective study

Table 4 Factors predicting outcomes of endoscopic balloon dilatation treatment

Out-comes	Length					Number of strictures				Sessions
	≤ 2 cm, n = 42	2-5 cm, n = 14	≥ 5 cm, n = 8	Statistic value	P value	Single, n = 58	Multiple, n = 6	Statistic value	P value	≤ 2, n = 46	> 2, n = 18	Statistic value	P value
Complications (n)	0	2	3	χ2 = 13.025	0.001	2	3	OR = 14.5	0.004	3	2	OR = 0.587	0.615
Respon-se (score)	-2.21 ± 0.51	-2.17 ± 0.39	-2.17 ± 0.43	F = 1.431	0.313	-2.18 ± 0.41	-2.15 ± 0.65	F = 2.178	0.180	-2.21 ± 0.52	-2.19 ± 0.47	F = 3.211	0.487
Recurr-ence (n)	0	0	2	χ2 = 8.802	0.012	1	1	OR = 9.667	0.180	1	1	OR = 0.391	0.487
Sessions (mean ± SD)	1.95 ± 0.28	2.57 ± 0.43	2.75 ± 0.62	F = 1.729	0.416	2.04 ± 0.22	4.12 ± 0.67	F = 6.797	0.014

SD: Standard deviation; OR: Odds ratio.