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Table 2 Clinical and laboratory data of enrolled women according to the class of infection.

From: Chronic infection during placental malaria is associated with up-regulation of cycloxygenase-2

Variables Ctrl (PfHRP2-) Total (PfHRP2+) NP Past I Acute I Chronic I
No. of women 14 40 10 10 10 10
Primigravidae n (%) 4 (28) 13 (32.5) 3 (30) 3 (30) 3 (30) 4 (40)
Secundigravidae n (%) 5 (36) 13 (32.5) 3 (30) 3 (30) 3 (30) 3 (30)
Multigravidae n (%) 5 (36) 14 (35) 4 (40) 4 (40) 4 (40) 3 (30)
Age (years) 24.6 ± 1.6 25.6 ± 1.13 25.2 ± 2.3 26.6 ± 0.6 26.0 ± 1.96 24.8 ± 2.3
Pregnancy duration, weeks 40.8 ± 1.2 40.5 ± 2.6 41.1 ± 1.1 40.9 ± 0.9 41.1 ± 1.1 41.3 ± 1.3
Birth weight (g) 3,153 ± 93 2,723 ± 93* 2,995 ± 137 2,623 ± 131* 2,862 ± 167 2,411 ± 251*
Haemoglobin (g/dl) 11.9 ± 0.3 9.4 ± 2.5* 10.2 ± 1.2 8.5 ± 0.4* 8.4 ± 1.1* 10.2 ± 0.9
Parasitaemia, Venous 0 83% 0 0 205.5% 35.3%
Parasitaemia, Placental 0 294% 0 0 644.5% %
  1. (*) means significant when compared with the control group (p < 0.05)
  2. NP (no parasites): PfHRP2 positive placenta without parasites or pigment detected by microscopy; PI (past infection): only pigment detected by microscopy; AI (acute infection): only parasites detected; CI (chronic infection): parasites and pigment detected; control (Ctrl): uninfected women with PfHRP2 negative placenta. Data are mean ± SE. Parasitaemia are expressed as parasites per 100 leukocytes. (*) significant difference with control group (p < 0.01 Mann Whitney U test).