From: Blackwater fever in Congolese children: a report of clinical, laboratory features and risk factors
Haemoglobinuria | |||||
---|---|---|---|---|---|
Positive n (%) | Negative n (%) | All n (%) | OR (IC95%) | p | |
Age distribution | NS | ||||
- ≤ 5 ans | 8(18.6) | 20(23.3) | 28(21.7) | 1 | |
- > 5 ans | 35(81.4) | 66(76.7) | 101(78.3) | 1.33 (0.53–3.32) | |
Sex. n | NS | ||||
- Male | 21(48.8) | 40(46.7) | 61(47.3) | 1.10 (0.53–2.28) | |
- Female | 22(51.2) | 46(53.5) | 68(52.7) | 1 | |
G6PD Status (UI/L) | 0.017 | ||||
Normal | 35(81.4) | 52(60.5) | 87(67.4) | 2.86 (1.86–6.91) | |
Deficiency | 8(18.6) | 34(39.5) | 42(32.6) | 1 | |
LDH (UI/L) | NS | ||||
< 200 | 20(46.5) | 40(46.5) | 60(46.5) | 1.29 (0.57–2.91) | |
200 à 400 | 14(32.6) | 36(41.9) | 50(38.8) | 1 | |
> 400 | 9(20.9) | 10(11.6) | 19(14.7) | 2.31 (0.78–6.89) | |
Blood group | NS | ||||
A | 7(16.3) | 23(26.8) | 30(23.3) | 0.57 (0.22–1.52) | |
AB | 3(7.0) | 6(7.0) | 9(7.0) | 0.94 (0.14–4.87) | |
B | 8(18.6) | 10(11.6) | 18(14.0) | 1.50 (0.53–4.29) | |
O | 25(58.1) | 47(54.6) | 72(55.7) | 1 | |
Season | < 0.001 | ||||
Rainy | 38(88.4) | 51(59.3) | 89(69.0) | 5.22 (1.87–14.56) | |
Dry | 5(11.6) | 35(40.7) | 40(31.0) | 1 | |
Plasmodium | NS | ||||
Falciparum | 37(86.0) | 73(84.9) | 110(85.3) | 1.10 (0.39–3.12) | |
Falciparum and malariae | 6(14.0) | 13(15.1) | 19(14.7) | 1 | |
Parasitaemia (parasites/microliter) | 0.005 | ||||
Low | 32(78.0) | 43(51.8) | 76(61.3) | 3.31 (1.41–7.78) | |
High | 9(22.0) | 40(48.2) | 48(38.7) | 1 |