Table 3.

Descriptive statistics and percentage reduction of Trichuris trichiuraegg counts from baboons

	Room
	ARA 154 (Controls)	ARA A	ARA B	ARA D
Pretreatment
Sample size	12	24	21	42
Mean ± SE	21.8 ± 6.0	3.7 ± 0.7	1.8 ± 0.7	10.8 ± 1.8
95% Confidence interval	8.7–34.9	2.2–5.2	0.4–3.2	7.1–14.5
Median	12.9	3.4	0.2	5.4
Range	1.4–57.8	0.0–12.2	0.0–13.0	0.0–38.2
Posttreatment
Sample size	36	64	56	112
Mean ± SE	11.1 ± 1.6	0.003 ± 0.003	0.0 ± 0.0	0.8 ± 0.6
95% Confidence interval	7.9–14.2	0.003–0.009	0.0–0.0	(−)0.02–0.18
Median	7.6	0.0	0.0	0.0
Range	1.8–38.2	0.0–0.2	0.0–0.0	0.0–6.2
% Reduction	49.1	99.9	100.0	92.6