Table 2. Characteristics of patients and endoscopic management at time of management in our center.

Characteristics	Group 1 IED 1 st line	Group 2 IED 2 nd line	P value
Age	43 ± 11	43 ± 14	0.91
Sex	16F – 6 M	16F – 6 M	NA
External prior management	41 %	45 %	0.76
Management < 30 days	62 %	56 %	0.75
ICU at management	33 %	14 %	0.14
Prior surgical suture attempt	65 %	63 %	0.9
Surgical drain	14 %	52 %	0.009
Fistula characteristics
Collection	100 %	68 %	0.02
Collection > 5 cm	81 %	60 %	0.14
Pus	95 %	57 %	0.004
Primary orifice > 5 mm	86 %	86 %	1
Bronchial fistula	4.5 %	4.5 %	1
Rosenthal Classification
Acute	3 (14 %)	0	NA
Early	14 (63 %)	9 (41 %)	NA
Late	3 (14 %)	7 (32 %)	NA
Chronic	2 (9 %)	6 (27 %)	NA

IED, internal endoscopic drainage; ICU, intensive care unit