Table 2. Laboratory Results for Patients Admitted to Kapit Hospital with Untreated Malaria Categorized by Plasmodium Species.
| Variable | Normal range |
Plasmodium knowlesi (n = 107) |
Plasmodium falciparum (n = 24) |
Plasmodium vivax (n = 21) |
|---|---|---|---|---|
| Parasite count, parasites/μL | NA | 1387 (6–222,570) | 26,781 (1840–271,760) | 4258 (324–32,132) |
| Hemoglobin level, g/dL | 11.3–15.7 | 13.3 (12.0–14.3) | 12.9 (12.3–13.6) | 13.5 (12.6–13.8) |
| White blood cell count, × 103 cells/μL | 3.1–10.3 | 5.6 (4.7–7.0) | 6.3 (5.3–8.6) | 6.1 (4.9–7.8) |
| Neutrophil count, mean neutrophils × 103/μL (± SD) | .2–5.3 | 3.7 ± 1.8 | 4.6 ± 2.4 | 4.6 ± 2.2 |
| Lymphocyte count, × 103 cells/μL | 0.8–2.7 | 1.5 (1.1–2.0) | 1.0 (0.8–1.4) | 1.0 (0.6–1.7) |
| Platelet count, mean value × 103 platelets/μL (± SD) | 150–450 | 71 ± 35 | 108 ± 59 | 118 ± 51 |
| Prothrombin time, secs | NA | 13 (12–15) | 15 (13–16) | 12 (12–14) |
| Blood group O, % of patients | NA | 28.0 | 12.5 | 9.5 |
| Serum creatinine level, μmol/L | <133 | 86 (73–100) | 89 (80–97) | 89 (76–98) |
| Serum sodium level, mmol/L | 136–152 | 137 (135–140) | 138 (135–140) | 138 (135.5–141) |
| Serum total bilirubin, μmol/L | <21 | 13 (9–18) | 17 (12–22) | 16 (10–21) |
| Serum alanine aminotransferase level, IU/L | <40 | 36 (25–54) | 26 (20–40) | 27 (13–55) |
| Serum albumin level, g/dL | >36 | 36 (33–39) | 38 (35–41) | 41 (39–46) |
| Serum glucose level, mmol/L | 4–8 | 6.2 (5.3–6.7) | 6.4 (5.7–7.2) | 6.2 (5.5–7.0) |
| Plasma lactate level, mmol/L | <2 | 1.6 (1.2–2.0) | 1.5 (1.2–2.0) | 1.5 (1.1–2.0) |
NOTE. Unless otherwise indicated, data are median value (interquartile range). NA, not applicable.