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. 2021 Jul 21;81(11):1238–1246. doi: 10.1055/a-1397-6888

Table 2  Obstetric and perinatal data of the refugee women compared with the perinatal data of the German Federal obstetric analysis from the year 2016 recorded by the IQTIG (Institute for Quality Assurance and Transparency in Healthcare).

Maternal characteristics Observed Expected (%) RR p-value*
n % 95% CI
* χ 2 test
Gestational age

  • < 28 weeks

 12 1.3 0.7 – 2.3 0.6 2.27 p < 0.001

  • 18 – < 32 weeks

 15 1.7 0.9 – 2.8 0.9 1.85

  • 32 – < 37 weeks

 65 7.3 5.6 – 9.2 7.2 1.01

  • 37 – 41 weeks

 728 81.3 78.5 – 83.8 90.8 0.89

  • > 41 weeks

 76 8.5 6.7 – 10.5 0.6 15.41
Delivery mode

  • Caesarean section

 297 32.4 29.4 – 35.5 32 1.01 p = 0.56

  • Spontaneous

 549 59.9 56.6 – 63.1 61.1 0.98

  • Assisted vaginal

 71 7.7 6.1 – 9.7 6.9 1.12
Premature birth (< 37 weeks)

  • yes

 92 10.3 8.4 – 12.4 3.1 3.36 p < 0.001
Post-term pregnancy

  • yes

 76 8.5 6.7 – 10.5 0.6 15.4 p < 0.001
Episiotomy for vaginal delivery

  • yes

 82 13.5 10.9 – 16.5 20.2 0.66 p < 0.001
Premature rupture of the membranes

  • yes

 237 26.1 23.3 – 29.1 24.4 1.07 p = 0.21
Perinatal complications

  • Prepartum haemorrhage

 3 0.3 0.7 – 1 1.5 0.22 p = 0.004

  • Placenta praevia

 6 0.7 0.2 – 1.4 0.3 2 p = 0.08

  • Oligohydramnios

 1 0.1 0 – 0.6 0.9 0.12 p = 0.02

  • Placental insufficiency

 3 0.3 0.7 – 1 2.5 0.15 p < 0.001

  • Isthmocervical insufficiency

 10 1.1 0.5 – 2 1.4 0.79 p = 0.47

  • Premature labour

 2 0.2 0 – 2.7 2.1 0.10 p < 0.001
Postpartum complications

  • Haemorrhage > 1000 ml

 11 1.2 0.6 – 2.2 1.5 0.81 p = 0.49

  • Delayed wound healing

 2 0.2 0 – 2.7 0.1 2.2 p = 0.27

  • Laparotomy

 1 0.1 0 – 0.6 0.1 1 p = 0.98

  • Eclampsia

 2 0.2 0 – 2.7 0.1 3.14 p = 0.08

  • Sepsis

 1 0.1 0 – 0.6 0 2.5 p = 0.39

  • Puerperal endometritis

 9 1 0.5 – 1.9 0.2 4.28 p = 0.006

  • Postpartum anaemia

 260 28.7 25.7 – 31.7 22 1.30 p < 0.001