Table 3.

Characteristics of the patients, grouped by pathogens.

	n	Median Age (range)	% female	max. freq. stool/day
Bacteriaa	42	40 (18–79)	48	10
Virusesb	23	65 (18–87)*	70	5*
Bacteria & virusesc	13	48 (20–79)	62	10
Unknown	17	39 (22–91)	65	8
Otherd	1
Total	96

^{a, b, c} see table 1; ^d G. lamblia; * p > 0.05 in ANOVA (using mean values).