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Table 1 General characteristics of included studies that report the prevalence of preterm and/its association with pregnancy induced hypertension and multiple pregnancy

From: The effect of pregnancy induced hypertension and multiple pregnancies on preterm birth in Ethiopia: a systematic review and meta-analysis

Author/year of publication Study area Region Study design Study population Sample size Prevalence (%) Result of quality
Mengesha et al./2016 [29] Hospital Tigray Cohort Mothers gave birth 1152 6 Low risk
Gebresillasie/2016 [27] Gondar Town Amhara Cross-sectional Mothers gave birth 540 4.4 Low risk
Deressa et al./2018 [33] Addis Abeba Hospital Addis Abeba Cross sectional Mothers gave birth 23,115 16.5 Low risk
Bekele et al./2015 [26] Debremarkos Town Amhara Cross sectional Mothers gave birth 422 11.6 Low risk
Adhena et al./2017 [31] Shirie Suhul Hospital Tigray Cross sectional Mothers gave birth 425 8.7 Low risk
Sakata et al./2017 [28] Gondar University Hospital Amhara Cross sectional Mothers gave birth 325 22.5 Low risk
Bekele et al./2017 [32] Jimma Hospital Oromia Cross sectional Mothers gave birth 220 25.9 Low risk
Abaraya et al./2018 [17] Jimma University Hospital Oromia Case control Mothers gave birth 656 NA Low risk
Teklay et al./2017/2018 [30] Mekelle Hospital Tigray Case control Mothers gave birth 264 NA Low risk