Table 1.

Characteristics of schistosomiasis patient and control groups

Group nMinimum–maximum (median) age Minimum–maximum (median) S. mansoni orS. japonicum eggs/g of feces or S. haematobium eggs/10 ml of urine
S. haematobium
 Children 1210–18 (13.5)2–624 (36)
 Adults 8 19–53 (22)0.3–17 (7.5)
S. mansoni
 Children 10 8–17 (12) 7–3,287 (180)
 Adults 12 19–53 (32.5) 7–1,680 (100)
S. japonicum
 Children 128–18 (12.5) 23–9,913 (161)
 Adults 1225–48 (31) 23–4,600 (86.5)
Control 2019–52 (34)