Vaso-occlusive Crisis Acute Chest Syndrome Priapism Stroke
Number of Patients Studied 987 45 21 17
Sex Ratio (M/F) 0.69 (401/581) 0.8  (20/25) Not Applicable 0.55 (6/11)
Number of Episodes Recorded 2652 56 35 17
Mean Age
(years) ± SD
25+6 28+5 27+6 20+2
Mean Haematocrit (L/L) ± S.D. 0.26±0.03 0.27 ± 0.02 0.24 ± 0.03 0.25 ± 0.03
Mean Leucocyte Count (x109/L) ± S.D. 11± 2.7 10.5 ± 3 10.8 ± 2.5 11.5 ± 2
Mean Platelet Count (x109/L) ± S.D. 425 ± 51 420 ± 45 430 ± 50 410 ± 52
Table 2: Demographic and haematological profiles of sickle cell anaemia patients.