Parameter | ≤2 years | <5 years | ||||
---|---|---|---|---|---|---|
<1 year (n = 29) | ≥1 year (n = 91) | P value | ≤2 years (n = 120) | ≥2– < 5 years (n = 315) | P value | |
Haematocrit (%) | ||||||
 Mean | 28.8 | 28.4 | 0.63 | 28.5 | 30.5 | <0.0001 |
 95 % CI | 27.4–30.3 | 27.2–29.5 | 27.6–29.4 | 30–31.1 | ||
 No <30 % | 13 | 55 | 0.21 | 68 | 117 | <0.0001 |
Parasitaemia (μL−1) | ||||||
 Geometric mean | 13,807 | 11,883 | 0.55 | 12,322 | 23,733 | <0.0001 |
 Range | 1,018–114,504 | 1,000–128,976 | 1,000–128,976 | 1,000–1,125,000 | ||
 No. >100,000 μL−1 | 2 | 7 | 1.0 | 9 | 55 | 0.01 |
 No. >250,000 μL−1 | 0 | 0 | - | 0 | 12 | - |
 ACPR on day 28 (%) | 26/27 (96) | 86/89 (97) | 1.0 | 112/116 (97) | 294/310 (95) | 0.48 |
 Parasite prevalence on day 1 (%) | 18 (62) | 40 (44) | 0.14 | 58 (48) | 124 (39) | 0.11 |
PRRD1 | ||||||
 Geometric mean | 3.8 × 102 | 6.4 × 102 | 0.41 | 5.4 × 102 | 1.9 × 103 | 0.001 |
 Range | 3.9 × 100–1.1 × 105 | 1.1 × 10−1–1.3 × 105 | 1.1 × 10−1–1.3 × 105 | 3.2 × 10−1–1.1 × 106 | ||
PRRD2 | ||||||
 Geometric mean | 1.0 × 104 | 1.0 × 104 | 0.56 | 1.0 × 104 | 1.9 × 104 | 0.001 |
 Range | 3.9 × 101–1.1 × 105 | 9.5 × 101–1.3 × 105 | 1.9 × 101–1.3 × 105 | 5.3 × 101–1.1 × 106 | ||
 Parasite positivity rate on day 3 | 0 | 3 | - | 2 | 2 | 0.31 |
Fever clearance time (day) | ||||||
 Mean | 1.3 | 1.3 | 0.79 | 1.3 | 1.1 | 0.005 |
 95 % CI | 1–1.6 | 1–1.7 | 1.1–1.5 | 1–1.1 | ||
 Parasite clearance time (day) | ||||||
 Mean | 1.7 | 1.5 | 0.06 | 1.5 | 1.4 | 0.11 |
 95 % CI | 1.5–1.9 | 1.4–1.6 | 1.4–1.6 | 1.4–1.5 | ||
Anaemia recovery time (day) | ||||||
 Mean | 12.1 | 12.5 | 0.91 | 12.4 | 10.4 | 0.12 |
 95 % CI | 6–18.2 | 9.9–15.1 | 10.1–14.7 | 9–11.8 |