Table 4. Gametocyte prevalence rate on admission and gametocyte carriage rate (overall and among patients without gametocytaemia on admission).
| 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | |
| Gametocytaemia on admission | |||||||||||||
| Total number of patients | 482 | 276 | 29 | 168 | 279 | 98 | 400 | 212 | 252 | 337 | 400 | 176 | 139 |
| Prevalence (%) | 1% | 6% | 7% | 11% | 8% | 7% | 3% | 6% | 5% | 9% | 10% | 11% | 7% |
| Overall gametocyte carriage rate | |||||||||||||
| Person-weeks of follow-up | 1658 | 1052 | 143 | 641 | 988 | 382 | 2036 | 1148 | 1326 | 1817 | 2086 | 919 | 722 |
| Gametocyte carriage (in weeks) | 9 | 10 | 0.6 | 19 | 15 | 10 | 14 | 12 | 13 | 33 | 42 | 21 | 11 |
| Gametocyte carriage rate (per 1000 PGW) | 5 | 10 | 4 | 29 | 15 | 27 | 7 | 10 | 10 | 18 | 20 | 23 | 15 |
| Patients without gametocyte on admission | |||||||||||||
| Person-weeks of follow-up | 1569 | 939 | 127 | 554 | 888 | 336 | 1912 | 1048 | 1223 | 1419 | 1846 | 803 | 650 |
| Gametocyte carriage (in weeks) | 6 | 1 | 0 | 2 | 2 | 1 | 6 | 2 | 3 | 6 | 6 | 6 | 2 |
| Gametocyte carriage rate (per 1000 PGW) | 4 | 1 | 0 | 4 | 3 | 3 | 3 | 2 | 2 | 5 | 3 | 7 | 3 |