Table 1.

Baseline characteristics of the study groups

	Ulcerative colitis		Crohn's disease
	Lactulose (n= 7)	Control (n= 7)	Lactulose (n= 9)	Control (n= 8)
Age*	38.8 ± 12.4	38.1 ± 8.8	30.7 ± 7.0	33.5 ± 11.7
Female sex	3	4	5	4
Disease duration (years)*	8.3 ± 12.2	9.3 ± 5.0	5.0 ± 5.4	6.7 ± 9.8
Disease Activity (CAI/CDAI)*	10.3 ± 5.9	10.4 ± 11.2	195.5 ± 148.4	273.9 ± 112.9
IBDQ*	123 ± 47.0	132 ± 58.4	136 ± 42.7	134 ± 43.3
Defecation/week*	37 ± 24.3	36 ± 24.1	39 ± 30.4	45 ± 23.3
Duration of participation*	3.7 ± 1.5	4.8 ± 2.5	5.0 ± 3.1	4.3 ± 2.2
Medication
Prednisolone equivalents > 5 mg	5	2	6	6
Prednisolone equivalents ≤ 5 mg	0	0	1	3
5-ASA	7	4	6	3
Immunosuppressive drugs	1	1	3	2
Antibiotics	0	3	5	4

*(Mean ± SD)