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Table 3 The prevalence of infectious diseases between undocumented women (n = 60) and all pregnant women (N = 51,447) in 2017

From: Maternal health care utilization and the obstetric outcomes of undocumented women in Finland – a retrospective register-based study

  Undocumented women All pregnant women
  Screening completed n (%) Positives n Prevalence % (95%CI) Positives n Prevalence % (95%CI) p-valuea
HIV 59 (98) 3 5.1 (1.1–14.1) 42 0.08 (0.06–0.1) <  0.001
HBV 59 (98) 2 3.4 (0.4–11.7) 110 0.2 (0.2–0.3) 0.007
Syphilis 57 (95) 1 1.8 (0.04–9.4) 43 0.08 (0.06–0.1)b 0.048
HCV 26 (43) 0 0 (−)
Chlamydia trachomatisc 17 (28) 1 5.9 (–)
  1. Register data on all pregnant women who underwent infectious disease screening in 2017 [35]
  2. Duplicate pregnancies excluded from the analysis
  3. a Fisher’s Exact test
  4. b N = 51,446
  5. c Not part of routine prenatal screening. Tested if symptoms occurred