Clinical feature | <12 months (n=25) n (%) | 12–59 months (n=227) n (%) | ≥60 months (n=260) n (%) | Total (n=512) n (%) |
Anaemia | 23 (92.0) | 212 (93.4) | 247 (95.0) | 482 (94.1) |
Severe anaemia* | 0 (0.0) | 17 (8.6) | 27 (12.0) | 44 (9.9) |
Sepsis | 22 (88.0) | 191 (84.1) | 194 (74.6) | 407 (79.5) |
Painful crisis | 12 (48.0) | 89 (39.2) | 177 (68.1) | 278 (54.3) |
Jaundice | 11 (44.0) | 62 (27.3) | 106 (40.8) | 179 (35.0) |
Pneumonia | 10 (40.0) | 65 (28.6) | 40 (15.4) | 115 (22.5) |
Acute chest syndrome | 3 (12.0) | 14 (6.2) | 16 (6.2) | 17 (6.6) |
Arthritis | 4 (16.0) | 32 (14.1) | 44 (16.9) | 80 (15.6) |
Splenic sequestration | 3 (12.0) | 30 (13.2) | 27 (10.4) | 60 (11.7) |
Hepatic sequestration | 3 (12.0) | 18 (7.9) | 21 (8.1) | 42 (8.2) |
Leg ulcers | 0 (0.0) | 1 (0.4) | 2 (0.8) | 3 (0.6) |
Priapism (n/N (%)† | 0/12 (0.0) | 1/127 (0.8) | 2/159 (1.3) | 3/298 (1.0) |
Dactylitis | 3 (12.0) | 0 (0.0) | 0 (0.0) | 3 (0.6) |
Malaria (n/N(%)‡ | 0/23 (0.0%) | 33/184 (17.9) | 35/207 (16.1) | 68/414 (16.4%) |
*Severe anaemia (Hb level <4 g/dL).
†n/N is included where the symptom is applicable to males only.
‡n/N is included where not everyone was tested for malaria.