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. 2023 Jul 25;5(3):otad035. doi: 10.1093/crocol/otad035

Table 5.

Outcomes of 2424 Patients With Crohn’s Disease With or Without Perianal Disease During 15-Year Follow-Up.

With perianal disease
N = 358
Without per-anal disease
N = 2066
P-value
N Episodes
Mean (SD)
N Episodes
Mean (SD)
Surgical intervention 153 1.4 (0.8) 378 1.2 (0.5) <.01
Hospitalization 356 7.0 (6.7) 907 3.8 (4.6) <.01
Outpatient visits 358 13.0 (11.3) 2017 2.9 (2.7) <.01
Emergency visit 332 10.3 (20.2) 642 4.4 (7.3) <.01
N (%) N (%)
Colorectal cancer 4 1.1 19 0.9 .77
Death 22 6.1 358 17.3 % <.01