Table 2.

Preoperative use of immunosuppressants and clinical parameters

	Immunosuppressants n = 65	No immunosuppressants n = 166	P
Age at surgery
<17 years (n = 27)	11 (17%)	16 (10%)
17–40 years (n = 161)	45 (69%)	116 (70%)
>40 years (n = 43)	9 (14%)	34 (20%)	0.20
Gender
Male (n = 144)	39 (60%)	105 (63%)
Female (n = 87)	26 (40%)	61 (37%)	0.76
Behaviour of CD
Perforating disease (n = 99)	28 (43%)	71 (43%)
Non-perforating disease (n = 132)	37 (57%)	95 (57%)	>0.99
Smoking
Yes (n = 37)	9 (14%)	28 (17%)
No (n = 194)	56 (86%)	138 (83%)	0.72
Preoperative steroids
Yes (n = 68)	18 (28%)	50 (30%)
No (n = 163)	47 (72%)	116 (70%)	0.84
Preoperative biologics
Yes (n = 79)	31 (48%)	48 (29%)
No (n = 152)	34 (52%)	118 (71%)	0.01
Previous resection
Yes (n = 71)	26 (40%)	45 (27%)
No (n = 160)	39 (60%)	121 (73%)	0.08
Blood transfusion
Yes (n = 24)	9 (14%)	15 (9%)
No (n = 207)	56 (86%)	151 (91%)	0.40
Surgical procedure
Open approach (n = 156)	51 (78%)	105 (63%)
Laparoscopic approach (n = 75)	14 (22%)	61 (37%)	0.04
Type of anastomosis
Side-to-side (n = 170)	54 (83%)	116 (70%)
End-to-end (n = 61)	11 (17%)	50 (30%)	0.06