Table 4.

Surgical management and outcome

	Elderly patients (EPs), n = 30	Young patients (YPs), n = 60	p
Drainage, n (%)	29 (96.7%)	59 (98.3%)	0.61
Fistulotomy/lay-open*, n (%)	8/29 (27.6%)	3/59 (5.1%)	0.003
Fistulectomy/seton placement*, n (%)	28/29 (96.5%)	59/59 (100%)	0.21
Redo drainage, n (%)	11 (36.7%)	33 (55%)	0.10
Number of procedures, median [IQR]	1 [1-2]	2 [1-3]
Simplification, n (%)	13 (43.3%)	22 (36.7%)	0.54
Number of procedures, median [IQR]	1 [1-1]	1 [1-1]
Sphincter sparing surgery, n (%)	9 (30%)	35 (58.3%)	0.01
Total number of operations (in study centers and other centers), median [IQR]	3 [2-4]	4.5 [3–6.2]	0.008
Stoma for pfCD control, n (%)	4 (13.3%)	5 (8.3%)	0.65

IQR interquartile range, EPs age at first surgery ≥ 60, YPs age at first surgery < 60