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Table 2 Categories of PPF by parasitological characteristics of S.mansoni infection, Waja-Timuga, Dec. 2011- Mar. 2012

From: Clinico-epidemiological study of Schistosomiasis mansoni in Waja-Timuga, District of Alamata, northern Ethiopia

S. mansoni infection Category of PPF based on image pattern and PBWT-for-height
No PPF (%) Indeterminate PPF (%) Definite PPF (%) Not graded (%)
Positive 89 (54.9) 13 (8.0) 18 (11.1) 3 (1.9)
Negative 34 (21.0) 3 (1.9) 2 (1.2) 0 (0.0)
Total 123 (75.9) 16 (9.9) 20 (12.3) 3 (1.9)