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Table 3 Clinical and parasitological indices in delivering women according to parity and year of delivery

From: Decline of placental malaria in southern Ghana after the implementation of intermittent preventive treatment in pregnancy

Parameter Primiparae Multiparae
2000 2006 aOR (95%CI) P 2000 2006 aOR (95%CI) P
No. 304 74    528 152   
Hb (g/dL; median, range) 11.4 (4.6–16.4) 11.6 (7.7–14.8) - 0.11 11.6 (4.7–16.8) 12.1* (7.2–15.9) - 0.08
Maternal anaemia (%) 38.5 35.1 0.74 (0.37–1.46) 0.38 33.5 17.8* 0.55 (0.31–0.96) 0.04
Birth weight (g; median, range) 2,785 (1,280–4,000) 2,900* (1,600–4,600) - 0.006 3,020 (1,500–4,500) 3,130 (1,650–5,460) - 0.02
LBW (%) 26.0 16.2 0.41 (0.19–0.93) 0.03 10.2 (54/527) 10.6 (16/151) 0.82 (0.39–1.72) 0.60
Placental infection (%)         
   Microscopy 46.1 25.7* 0.44 (0.22–0.90) 0.02 28.4 9.9* 0.39 (0.20–0.76) 0.006
   Pigment 42.4 27.0* 0.44 (0.22–0.90) 0.02 24.2 13.2* 0.49 (0.26–0.91) 0.02
   HRP2 50.7 39.2 0.57 (0.29–1.12) 0.10 35.2 13.8* 0.35 (0.19–0.63) 0.0005
   PCR 65.1 44.6* 0.46 (0.23–0.91) 0.03 56.4 25.7* 0.41 (0.25–0.68) 0.0005
  1. aOR, odds ratio adjusted for months of recruitment in 2006; 95%CI, 95% confidence interval; *, bivariate comparison 2000 vs. 2006; P < 0.05 , P value derived from logistic regression models, or from multiple linear regression models (coding: 0, 2000; 1; 2006; and 0, non-matching recruitment period; 1, matching recruitment period)