From: Immune response pattern in recurrent Plasmodium vivax malaria
Endemic control (n = 20) | Primary malaria (n = 36) | Recurrent malaria (n = 19) | p value* | |
---|---|---|---|---|
Age (years), mean (SD) | 27.1 (7.4) | 35.4 (14.3) | 39.5 (12.0) | 0.005 |
Man/woman (%) | 45/55 | 64/36 | 85/15 | – |
Malaria episodesa | – | – | 3.0 (1.5–4.0) | – |
Last malaria attackb | – | – | 4.0 (3.0–6.0) | – |
Haematological parametersc | ||||
RBC × 103/mm3 | 4.8 (4.5–5.4) | 4.7 (4.2–5.3) | 5.0 (4.4–5.2) | 0.839 |
Haemoglobin (g/dL) | 13.2 (12.5–14.1) | 13.4 (11.5–14.4) | 13.1 (12.2–14.1) | 0.592 |
Haematocrit (%) | 43.9 (40.5–46.8) | 41.9 (36.5–45.7) | 42.0 (39–46.5) | 0.461 |
Platelets × 103/mm3 | 289.0 (212.5–325.2) | 69.0 (37.8–100.5)d | 112.0 (53–120)d | < 0.001 |
WBC × 103/mm3 | 6.7 (6.1–7.8) | 5.7 (4.0–7.3) | 5.6 (4.7–6.8) | 0.018 |
Lymphocytes × 103/mm3 | 2.0 (1.6–2.6) | 1.3 (0.7–1.8)d | 1.0 (0.5–1.3)d | < 0.001 |
Monocytes × 103/mm3 | 0.7 (0.5–0.8) | 0.3 (0.2–0.5)d | 0.5 (0.3–0.9) | 0.014 |
Neutrophils × 103/mm3 | 3.8 (3.5–5.1) | 3.3 (2.1–5.1) | 4.0 (3.0–4.7) | 0.436 |