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Table 2 Background characteristics among women with and without retained placenta

From: Oxidative stress and inflammation in retained placenta: a pilot study of protein and gene expression of GPX1 and NFκB

Maternal Characteristics Non-retained Placenta (n = 31) Retained Placenta (n = 29) p-valuea
Age, median (IQR) 30 6 31 5 ns
Age ≥35, n (%) 4 12.9% 5 17.2% ns
Previous parity, n (%)
 None 17 54.8% 23 79.3% ref
 1 11 35.5% 5 17.2% ns
 >/=2 3 9.7% 1 3.4% ns
Previous miscarriages, n (%)
 None 27 87.1% 21 72.4% ref
 1 2 6.5% 6 20.7% ns
  ≥ 2 2 6.4% 2 6.9% ns
Previous abortions, n (%)
 None 23 74.2% 22 75.9% ref
 1 or 2 5 16.1% 4 13.8% ns
  ≥ 2 3 9.7% 3 10.3% ns
Previous cesarean section, n (%) 1 3.2% 3 10.3% ns
Previous retained placenta, n (%) 2 6.5% 0 0 nc
Assisted reproductive therapy, n (%) 2 6.5% 1 3.4% ns
  1. ans is p-value > 0.05, nc not computable