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Table 2 Methods used in the studies to calculate egg reduction rate (ERR). Seven studies not presented in the table assessed S. japonicum or S. haematobium/S. mansoni

From: Efficacy and safety of praziquantel 40 mg/kg in preschool-aged and school-aged children: a meta-analysis

ERR calculation method at endpoint No. of patients enrolled No. of patients assessed Number of studies
Total S. haematobium S. mansoni
n % n % n % n % n %
ERRgm log-transformed 3,670 24 3,475 32 9 19 6 33 3 14
ERRam 881 6 715 7 5 11 2 11 3 14
ERRgm method unclear 3,980 26 3,790 23 12 26 4 22 6 27
ERRgm calculated on uncured 2,444 16 2,066 14 10 21 3 17 5 23
No ERR 4,574 29 4,294 30 11 23 3 17 5 23
Total 15,549 100 14,340 100 47 100 18 100 22 100
  1. Abbreviations: ERRam egg reduction rate calculated using arithmetic mean, ERRgm egg reduction rate using geometric mean