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Table 5 Estimated relative risk of mild and severe thrombocytopenia for preterm delivery and NICU admission

From: Mild thrombocytopenia indicating maternal organ damage in pre‐eclampsia: a cross‐sectional study

 

eRR

95 % CI

p value

Preterm delivery < 34 GW

 Agea

1.07

0.92–1.25

0.359

 Mild thrombocytopeniab

0.91

0.62–1.35

0.649

 Severe thrombocytopeniab

1.61

1.06–2.45

0.026

 Severe hypertension

1.30

0.93–1.82

0.121

 utero-placental dysfunction

2.22

1.66–2.96

< 0.001

 maternal organ damage except thrombocytopenia

1.49

1.05–2.12

0.025

NICU admission

 Agea

1.09

0.99–1.20

0.071

 Mild thrombocytopeniab

0.97

0.76–1.24

0.814

 Severe thrombocytopeniab

1.35

1.06–1.73

0.016

 Severe hypertension

1.17

0.94–1.44

0.158

 utero-placental dysfunction

2.23

1.87–2.67

< 0.001

 maternal organ damage except thrombocytopenia

1.50

1.22–1.84

< 0.001

  1. a: Estimated relative risk of 5 years increase in age
  2. b: Reference is normal platelet count (> 100 × 109/L)
  3. Mild thrombocytopenia, platelet count < 150 × 109/L and ≥ 100 × 109/L; severe thrombocytopenia, platelet count < 100 × 109/L
  4. eRR estimated relative risk; CI confidence interval; GW gestational weeks; NICU neonatal intensive care unit