|  | June 2002 | January 2003 | ||
---|---|---|---|---|---|
 | Whole groupa n (%) | nb (%) | MOI; mean (range) | nb (%) | MOI; mean (range) |
Blood group | Â | Â | Â | Â | Â |
   O | 193 (52) | 81/193 (42) | 2.6 (1 – 7) | 99/193 (51) | 4.1 (1–10)g*** |
   A | 100 (27) | 47/100 (47) | 2.6 (1 – 7) | 50/100 (50) | 4.0 (1 – 9)g** |
   B | 69 (18) | 34/69 (49) | 2.3 (1 – 6) | 32/69 (46) | 4.2 (1 – 10)g* |
   AB | 10 (3) | 2/10 (20) | 4.0 (1 – 7) | 7/10 (70) | 4.6 (2 – 8)g* |
Hemoglobin | Â | Â | Â | Â | Â |
   AA | 319 (86) | 144/319 (45) | 2.5 (1 – 7) | 162/319 (51) | 4.0 (1–10)g*** |
   AS | 51 (14) | 19/51 (37) | 2.7 (1 – 5) | 26/51 (51) | 4.5 (1 – 10)g** |
α+-thalassemiaC |  |  |  |  |  |
   Normal | 234 (76) | 103/234 (44) | 2.3 (1 – 7) | 118/234 (50) | 3.9 (1–10)g*** |
   Mutation | 75 (24) | 37/75 (49) | 2.8 (1 – 7) | 36/75 (48) | 4.1 (1 – 9) |
G6PD in femalesd | Â | Â | Â | Â | Â |
   Normal | 141 (81) | 60/141 (43) | 2.7 (1 – 7) | 73/141 (52)f | 4.4 (1 – 10)g** |
   Mutation | 34 (19) | 11/34 (32) | 2.7 (1 – 4) | 9/34 (26) | 4.6 (1 – 10) |
G6PD in malese | Â | Â | Â | Â | Â |
   Normal | 166 (87) | 77/166 (46) | 2.5 (1 – 7) | 90/166 (54) | 3.8 (1–10)g*** |
   Mutation | 24 (13) | 14/24 (58) | 1.7 (1 – 4) | 14/24 (58) | 3.4 (1 – 7) |