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Table 1 Study populations by country

From: Management and outcomes of women with placenta accreta spectrum grade 3: an INOSS multicountry multiperiod population-based study

 

United Kingdom5

France6

Italy20

Inclusion Period

05/2010–04/2011

11/2013–10/2015

09/2014–08/2016

Maternities* (n)

798,634

520,114

458,995

PAS confirmed (n)

134

249

130

PAS grade 3 (n, % of PAS cases)

39, 29%

51, 20%

34, 26%

PAS grade 3 incidence (per 10 000 pregnancies regardless of plurality, 95% CI)

0.5, 0.3–0.6

1.0, 0.7–1.2

0.7, 0.5-1.0

  1. *: pregnancies regardless of plurality