Table 2.

Demographic and Schistosoma haematobium Infection Characteristics of the Study Cohort 18 Months After Praziquantel Treatment

	Reinfection status
Characteristics	Uninfected	Reinfecteda
No.	54	18
Mean age (SEM)	9.2 (0.37)	9.3 (0.53)
Males, females	27, 27	13, 5
Mean pretreatment infection intensitya	28.6 (11.0)	35.6 (21.9)
Pretreatment infection rangeb	0–481	0–395
Pretreatment infection prevalence	57.4%	61.1%
Mean post-treatment infection intensityb (SEM)	0	10.2 (4.5)
Post-treatment infection rangeb (SEM)	0	0–65

Abbreviation: SEM, standard error of the mean.

^a Reinfection classified as presence of ≥1 S. haematobium egg in ≥1 urine sample between 6 months and 18 months post-treatment.

^b Infection intensity quantified as mean S. haematobium egg counts/10 mL urine.