Table 1.

Characteristics of the 20 patients with Crohn’s disease included in the study.

Age (y)	Sex	Anti-Inflammatory Medication	Indication for Surgery	Primary or Recurrent Surgery	Montreal Classification	Pre-op p-CRP
61	M	None	Stricture	Primary	A2L3B2	13
63	M	None	Stricture, abscess	Recurrent	A2L3B3	<10
20	M	Azathioprine	Stricture, fistula	Primary	A2L1B3	<10
38	F	None	Stricture	Primary	A2L1B2	10
38	F	None	Stricture	Primary	A2L3B2p	<10
49	F	None	Stricture, abscess	Primary	A3L1B2	<10
50	M	Azathioprine, infliximab	Stricture	Primary	A2L1B2	<10
25	F	Azathioprine	Stricture	Recurrent	A1L1B3	<10
49	M	None	Stricture, abscess	Recurrent	A2L1B3	26
46	M	None	Stricture	Primary	A2L1B2	<10
43	F	None	Stricture	Primary	A2L3B2	42
49	M	None	Stricture	Recurrent	A2L1B3	<10
49	F	Ustekinumab	Stricture	Recurrent	A2L3B2	<10
55	M	Azathioprine, infliximab	Stricture	Recurrent	A2L1B2	<10
29	F	None	Fistulas	Recurrent	A1L1B3	<10
29	M	Thiopurine, adalimumab	Fistula	Recurrent	A2L3B3p	<10
43	M	Mesalazine, infliximab	Fistula	Primary	A2L3B3	<10
27	M	None	Stricture, fistula, abscess	Recurrent	A1L3B3	19
21	M	None	Stricture	Recurrent	A2L1B3	<10
17	F	Budesonide, azathioprine, infliximab	Stricture	Primary	A1L3B2	<10

NOTE: Age at diagnosis: A1: <16, A2: 16–40, A3: >40, Location of disease: L1: ileal, L3: ileocolonic, Behavior of disease B2: strictures, B3: perforations., p: perianal disease, Pre-op p-CRP= pre-operative plasma-C-reactive protein.