Table 3 Influence of citalopram and placebo on abnormalities of stool pattern.

	Before citalopram	Citalopram 3 weeks	Citalopram 6 weeks	Before placebo	Placebo 3 weeks	Placebo 6 weeks
Severity of stool problems	6.3 (0.6)	5.3 (0.4)*†	4.9 (0.5)*†	6.4 (0.6)	6.5 (0.5)	6.4 (0.6)
No of days with loose stools	2.7 (0.4)	2.1 (0.3)*†	1.9 (0.3)*†	2.8 (0.5)	2.6 (0.4)	2.3 (0.3)
No of days with hard stools	2.1 (0.4)	1.9 (0.3)	1.9 (0.4)	2.0 (0.4)	2.0 (0.3)	1.9 (0.3)
No of days with urgency	2.4 (0.4)	2.1 (0.3)	2 (0.3)*	2.6 (0.4)	2.5 (0.3)	2.2 (0.3)
No of days with straining	2.7 (0.4)	2.5 (0.3)	2.4 (0.3)*†	2.5 (0.4)	3.1 (0.5)	3.2 (0.5)
No of days with incomplete evacuation	3.0 (0.4)	2.6 (0.3)*†	2.5 (0.4)*†	3.2 (0.4)	3.2 (0.3)	3.1 (0.4)

*Significant compared with run in: p<0.05.

†Significant compared with placebo: p<0.05.