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Table 1 Ottawa rating for included studies: (* OR ** means criteria fulfilled/maximum score = 9)

From: Prevalence of schistosomiasis and its association with anemia among pregnant women: a systematic review and meta-analysis

Study Selection Comparability Outcomes Total
Adewale et al. **** ** ** 8
Ahenkorah et al. **** ** *** 9
Ajanga et al. **** ** *** 9
Alem et al. *** ** *** 8
Anchang-Kimbi et al. **** ** ** 8
Ayoya et al. **** ** ** 8
Bolka et al. **** ** ** 8
Coulibaly et al. **** ** *** 9
Derso et al. **** ** *** 9
Egwunyenga et al. **** ** ** 8
Eyo et al. **** ** ** 8
Fairley et al. **** ** *** 9
Feleke et al. **** ** ** 8
Fuseini et al. **** ** ** 8
Gadoth et al. **** ** *** 9
Gedefaw et al. **** ** ** 8
Kawai et al. *** ** *** 8
Kefiyalew et al. *** ** ** 7
Khalid et al. *** ** *** 8
Kihara et al. **** ** *** 9
Mombo-Ngoma et al. **** ** ** 8
Muhangi et al. **** ** *** 9
Murenjekwa et al. **** ** ** 8
Ndyomugyenyi et al. **** ** ** 8
Ouédraogo et al. **** ** *** 9
Oyeyemi et al. **** ** *** 9
Salawu et al. **** ** ** 8
Siegrist et al. **** ** ** 8
Tay et al. **** ** *** 9
Thigpen et al. **** ** ** 8
Tonga et al. *** ** *** 8
Wepnje et al. **** ** ** 8