Table 3 Studies with a prevalence of absent or reversed end diastolic flow greater than zero
Study | Design | Study population | AEDF prevalence |
|---|---|---|---|
Low risk women | |||
 Souka 2012 [36] | Cross-sectional study | 2189 low-risk women in Greece | 1/1289 (0.05%) |
 Mason 1993 [32] | RCT | 863 low-risk, nulliparous women in the UK (Doppler arm only) | 2/863 (0.23%) |
Unselected risk women | |||
 Davies 1992 [31] | RCT | 1246 unselected-risk women in the UK (Doppler arm only) | 1/1246 (0.08%) |
 Beattie 1989 [34] | Cohort | 2097 unselected-risk women in USA | 6/2097 (0.29%) |
 Nkosi 2019 [37] | Cohort | 2868 unselected-risk women in South Africa | 38/2868 (1.32%) |
 Yoon 1993 [38] | Cohort | 328 unselected women in South Korea | 7/328 (2.13%)a |