Table 2 Characteristics of the patients at baseline according to treatment group (Lactobacillus johnsonii LA1 or placebo).
| LA1 (n = 48) | Placebo (n = 50) | |
|---|---|---|
| Age (y)† | 32 (27–42) | 29 (27–34) |
| Female sex‡ | 22 (46) | 29 (58) |
| Smoking status‡ | ||
| Current smoker | 14 (29) | 13 (26) |
| Ex‐smoker | 19 (40) | 17 (34) |
| Non smoker | 15 (31) | 20 (40) |
| Disease duration (months)† | 33 (4–99) | 24 (7–88) |
| Disease location‡ | ||
| Small bowel only | 29 (60) | 25 (50) |
| Ileocolon | 16 (33) | 24 (48) |
| Colon only | 3 (6) | 1 (2) |
| Previous surgery‡ | 7 (15) | 9 (18) |
| Type of resection‡* | ||
| Ileal | 6 (13) | 1 (2) |
| Ileocolonic | 40 (83) | 49 (98) |
| Colonic (segmental) | 2 (4) | 0 (0) |
| Steroid treatment | 19 (40) | 21 (42) |
| Length of resection (cm)† | 30 (21–47) | 30 (20–50) |
| Penetrating disease behaviour‡ | 20 (42) | 25 (50) |
| Temporary diverting stoma‡ | 10 (21) | 11 (22) |
| Time between surgery and enrolment (days)† | 13 (7–20) | 15 (8–19) |
| C reactive protein (mg/l)†* | 16 (4–41) | 8 (2–16) |
†Median (interquartile range).
‡n (%).
*p = 0.04.