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Table 4 Association of peripheral malaria infection with reduced cerebroplacental Doppler ratio (<10th centile)

From: Effects of Plasmodium falciparum infection on umbilical artery resistance and intrafetal blood flow distribution: a Doppler ultrasound study from Papua New Guinea

  % (N) OR (95% CI) P aOR (95% CI)a P
Any malaria infection prior to Doppler scanb
 Any species 14.8 (45/303) 1.7 (0.7–4.37) 0.25 1.7 (0.7–4.3) 0.25
 P.f. 12.5 (38/303) 2.2 (0.9–5.7) 0.09 2.2 (0.8–5.5) 0.11
 P.v. 3.3 (10/303)
 P.f. (sub) 5.7 (17/296) 2.5 (0.7–8.2) 0.14 2.4 (0.7–8.2) 0.16
Peripheral malaria infection at any stage in pregnancy (as a measure of exposure)c
 Any species 21.4 (54/252) 1.6 (0.7–3.6) 0.29 1.6 (0.7–3.7) 0.29
 P.f. 17.1 (43/252) 2.2 (0.9–5.0) 0.08 2.1 (0.9–5.0) 0.09
 P.v. 7.1 (18/252) 1.1 (0.2–5.2) 0.91 1.2 (0.3–5.5) 0.84
 P.f. (sub) 8.2 (20/244) 3.7 (1.3–10.7) 0.014 3.6 (1.2–10.9) 0.021
Cumulative malaria detections with any species (as a measure of exposure)c
 1 17.9 (45/252) 0.9 (0.3–2.5) 0.85 0.9 (0.3–2.5) 0.86
 ≥2 3.6 (9/252) 6.7 (1.6–27.5) 0.008 6.17 (1.5–25.5) 0.012
  1. P.f., P. falciparum; P.v., P. vivax; sub, sub-microscopic
  2. aAdjusted for fetal gender, gravidity and gestational age
  3. bN (%) represents the number of scans
  4. cN (%) represents the number of women