Table 5 Subanalysis of clinical outcomes matched for localization of esophageal stricture.

Characteristics and outcomes	Proximal esophageal stricture			Mid-esophageal stricture			Distal esophageal stricture
	Center 1*	Center 2*	P	Center 1*	Center 2*	P	Center 1*	Center 2*	P
ED, esophageal dilation.
Patients, n (%)	42 (21.6)	27 (61.3)		43 (22.2)	7 (3.6)		77 (39.6)	11 (25.0)
Time span until freedom from dysphagia was achieved (days), median (range)	97 (0–884)	74 (5–515)	0.33	170 (0–1890)	288 (76–838)	0.99	126 (0–2310)	406 (0–4107)	0.06
No. of ED sessions until freedom from dysphagia was achieved, median (range)	4 (1–36)	6 (1–57)	0.36	4 (1–36)	6 (2–57)	0.65	3 (1–41)	11 (6–46)	<0.001
No. of therapy episodes containing Savary dilations until long-term freedom from dysphagia was achieved, median (range)	3 (1–14)	1 (1–9)	0.02	3 (1–4)	1 (1–9)	0.09	2 (1–16)	3 (1–6)	0.71
Time span to recurrence of dysphagia, median (range)	286 (0–1700)	113 (0–1261)	0.72	92 (16–1042)	185 (98–378)	0.14	111 (19–1035)	92 (11–1792)	0.33