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Table 2 Estimated percentages and 95% confidence interval of distribution of outcome variables across exposure categories

From: Associations of malaria, HIV, and coinfection, with anemia in pregnancy in sub-Saharan Africa: a population-based cross-sectional study

Anemia severity group % (95% CI) Total
n = 947
No infection
n = 641
Malaria only
n = 293
HIV only
n = 8
Malaria- HIV coinfection, n = 5
Any Anemia 48 (46–52) 45 (41–49) 56 (50–62) 63 (26–90) 60 (17–93)a
Mild 23 (20–25) 21.8 (19–25) 25 (20–30) 38 (10–74) 0 (0–54)
Moderate 24 (21–27) 20 (17–23) 29 (24–35) 25 (5–65) 60 (18–92)a
Severe 2 (1–3) 2.0 (0.8–2.9) 2 (1–4) 0.0 (0–0.4) 0.0 (0–54)
  1. HIV Human Immunodeficiency Virus
  2. a Proportions in the 4 groups were significantly different from each other, P < 0.05 (Fisher Exact probability test)