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Table 2 Secondary outcomes: rates of suboptimal care in case vs. control patients based on a priori criteria

From: The contribution of iron deficiency to the risk of peripartum transfusion: a retrospective case control study

Metric

N case; N control

Case

Control

Odds ratio (95% CI)

Postpartum Hb < 90 g/L with uncorrected antepartum iron deficiency - n (%)

144, 85

66 (46)

8 (9)

7.7 (3.7–18.0)

Moderate anemia in pregnancy (Hb 90–99 g/L) - n (%)

145; 145

7 (5)

1 (0.7)

5.2 (1.1–49.9)

Mild anemia in pregnancy (1st + 3rd trimester Hb 100–109 g/L, 2nd trimester Hb 100–104 g/L) - n (%)

145; 145

42 (29)

16 (11)

3.2 (1.8–6.2)

Identified and uncorrected iron deficiency anemia in pregnancy (anemia and ferritin < 30 μg/L without documentation of oral or intravenous iron replacement) - n (%)

101; 102

11 (11)

5 (5)

2.2 (0.8–6.7)

Unaddressed anemia in pregnancy - n (%)

145; 145

16 (11)

8 (6)

2.1 (0.9–5.1)

Identified and uncorrected iron deficiency in pregnancy (ferritin < 30 μg/L without documentation of oral or intravenous iron replacement) - n (%)

101; 102

36 (36)

35 (34)

1.0 (0.6–1.8)

  1. Hb hemoglobin