Skip to main content

Table 1 Placental malaria* and ABO phenotype by parity in different studies

From: ABO blood group and the risk of placental malaria in sub-Saharan Africa

   Primiparae Multiparae All
  ABO N Plac. Pos.* % N Plac. Pos.* % N Plac. Pos.* %
Loscertales et al. A 16 6 37.5 22 6 27.3 38 12 31.6
Senga et al. A 51 5 9.8 95 21 22.1 146 26 17.8
Adam et al. A 31 2 6.5 51 5 9.8 82 7 8.5
Present study A 18 3 16.7 59 2 3.4 77 5 6.5
Loscertales et al. B 20 6 30.0 32 11 34.4 52 17 32.7
Senga et al. B 50 11 22.0 111 22 19.8 161 33 20.5
Adam et al. B 24 0 0 35 2 5.7 59 2 3.4
Present study B 14 1 7.1 40 6 15.0 54 7 13.0
Loscertales et al. AB 2 0 0 4 2 50.0 6 2 33.3
Senga et al. AB 6 1 16.7 15 5 33.3 21 6 28.6
Adam et al. AB 8 1 12.5 16 0 0 24 1 4.2
Present study AB 2 0 0 7 1 14.3 9 1 11.1
Loscertales et al. O 50 29 58.0 52 14 26.9 102 43 42.2
Senga et al. O 96 28 29.1 213 30 14.1 309 58 18.8
Adam et al. O 51 0 0 77 2 2.6 128 2 1.6
Present study O 50 2 4.0 188 12 6.4 238 14 5.9
Loscertales et al. All 88 41 46.6 110 33 30.0 198 74 37.4
Senga et al. All 203 45 22.2 434 78 18.0 637 123 19.3
Adam et al. All 114 3 2.6 179 9 5.0 293 12 4.1
Present study All 84 6 7.1 294 21 7.1 378 27 7.1
  1. *Acute infection (parasites present without pigment) or chronic infection (parasites present with pigment).