Table 3 Risk factors of placental haemozoin
From: Detection and clinical manifestation of placental malaria in southern Ghana
Factor | Haemozoin detected (%, fraction) | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|---|
OR (95%CI) | P | OR (95%CI) | P | ||
Parity | |||||
>1 | 24.2 (128/528) | 1 | 1 | ||
1 | 42.4 (129/304) | 2.3 (1.7–3.2) | < 0.0001 | 1.5 (1.0–2.2) | 0.04 |
Age-group (years) | |||||
>30 | 17.4 (33/190) | 1 | 1 | ||
26–30 | 27.0 (57/211) | 1.8 (1.1–2.9) | 0.02 | 1.7 (1.0–2.8) | 0.04 |
21–25 | 33.9 (82/242) | 2.4 (1.5–4.0) | 0.0001 | 2.1 (1.3–3.5) | 0.003 |
≤20 | 45.7 (84/184) | 4.0 (2.4–6.6) | <0.0001 | 3.0 (1.7–5.2) | 0.0002 |
Season | |||||
Dry | 27.1 (109/402) | 1 | 1 | ||
Rainy* | 34.3 (150/437) | 1.4 (1.0–1.9) | 0.02 | 1.4 (1.1–2.0) | 0.02 |