Table 4.
Numbers of Episodes of Malaria and Anemia Per Child, Including Incidence Rate Ratios
| Parasitemic Episodes |
Asymptomatic Malaria Episodes |
Clinical Malaria Episodes |
Anemia Episodes | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Total Number | IRR (Unadjusted) | IRR (Adjusted) | Total Number | IRR (Unadjusted) | IRR (Adjusted) | Total Number | IRR (Unadjusted) | IRR (Adjusted) | Total Number | |
| Hemoglobin AA (n = 242) | 1 (0–3) | 1 | … | 0 (0–1) | 1 | … | 1 (0–2) | 1 | … | 2 (1–4) |
| 0.48 | 0.62 | 0.51 | 0.80 | 0.45 | 0.52 | |||||
| Hemoglobin AC (n = 39) | 1 (0–2) | (0.34, 0.68) | (0.43, 0.91) | 0 (0–1) | (0.30, 0.84) | (0.46, 1.39) | 0 (0–1) | (0.28, 0.74) | (0.31, 0.88) | 2 (1–4) |
| (P < .001) | (P = .013) | (P = .009) | (P = .44) | (P = .002) | (P = .014) | |||||
| 1.35 | 1.75 | 1.71 | 0.95 | |||||||
| Hemoglobin AS (n = 14) | 3 (0–4) | (0.92, 1.97) | … | 1 (0–2) | (1.07, 2.86) | (1.04, 2.80) | 0.5 (0–2) | (0.51, 1.76) | … | 1 (1–3) |
| (P = .12) | (P = .027) | (P = .035) | (P = .86) | |||||||
Episode counts are reported as median (lower quartile – upper quartile).
Abbreviation: IRR, incidence rate ratio.