Table 4.
Characteristics of patients with and without early resective surgery after matching on propensity scores
| CD patient with early surgery (n = 58) | CD patient without early surgery (n = 58)1 | |
| Gender (male/female) | 32/26 | 34/24 |
| Age at onset below 40 yr | 12 | 11 |
| Decade of diagnosis | ||
| 1977-1989 | 8 | 9 |
| 1990-1999 | 22 | 23 |
| 2000-2008 | 28 | 26 |
| Disease location | ||
| L1 | 38 | 39 |
| L32 | 20 | 19 |
| Disease behavior at diagnosis | ||
| B1 | 10 | 10 |
| B2 | 20 | 19 |
| B3 | 28 | 29 |
| Smoking (yes/no) | 36/22 | 35/23 |
1
Early resective surgery: within the year of diagnosis;
2
Ileocecal. CD: Crohn’s disease; L1: Ileal; L2: Colonic; L3: Ileocolonic; B1: Inflammatory; B2: Stenosing; B3: Penetrating.