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Table 2 Included Studies

From: The global prevalence of postpartum psychosis: a systematic review

  POPULATION STUDY TYPE DATES NUMBER OF CASES CONTROLS/DENOMINATOR INCIDENCE (%) SAMPLING
Adefuye et al. [31] Post-partum women aged 19–43 years Retrospective cohort study 1988–2007 23 9085 0.25% or 2.5 in 1000 All patients who developed mental disorders and were managed at Olabisi Onabanjo University Teaching Hospital
Bang et al. [34] Pregnant and post-partum women aged (exact age range unknown) Prospective observational study 1995–1996 2 772 0.26% or 2.6 in 1000 Women from catchment area of 39 intervention villages who became pregnant and were observed at home by trained village health workers, validated by physician
Nager et al. [44] Primiparous women aged (exact age range unknown) Retrospective cohort study 1975–2003 1413 1133,368 0.12% or 1.2 in 1000 All first-time mothers admitted to hospital due to psychiatric disorders up to 3 months after delivery (based on national registries)
Terp et al. [45] Postpartum women aged years (exact age range unknown) Incidence/Prevalence Survey 1973–1993 1133 1,270,117 0.089% or 0.89 in 1000 All women who delivered in Denmark and were admitted to hospital and diagnosed with psychosis up to 3 months after delivery (based on national registries)
Valdimarsdóttir et al. [33] Primiparous women aged (exact age range unknown) Incidence/Prevalence Survey 1983–2000 892 745,596 0.12% or 1.2 in 1000 All first-time mothers who were diagnosed with psychosis up to 3 months post-partum (based on national registries)
  PREVALENCE  
Vesga-Lopez et al. [32] Postpartum women aged 18–50 years Incidence/Prevalence Survey 2001–2002 (Exact number not reported - % only) 994 0.5% or 5 in 1000 Nationally representative sample of women interviewed during the 2001–2002 National Epidemiologic Survey on Alcohol and Related Conditions.