Table 2.

 Improvement rates in the intention to treat (ITT) and per protocol (PP) populations

	ITT population				PP population
	Total No of patients	Improvement rate (%)	95% CI	p Value	Total No of patients	Improvement rate (%)	95% CI	p Value
Week 4
Mesalazine enema	57	89	78%, 96%	0.0008	41	88	74%, 96%	0.0115
Placebo enema	47	62	46%, 75%		29	62	42%, 79%
Week 8
Mesalazine enema	58	86	75%, 94%	0.0256	42	88	74%, 96%	0.0464
Placebo enema	47	68	53%, 81%		29	69	49%, 85%