Table 3.
Comparison of malaria incidence
| Time Period | HIV-uninfected | HIV-infected | IRR (95% C.I) | ||||
|---|---|---|---|---|---|---|---|
| Episodes | Person time (yrs) | Incidence | Episodes | Person time | Incidence | ||
| Aug 1st 06 - Dec 15th 08 | 491 | 1095 | 0.45/psnyr | 65 | 665 | 0.10/psnyr | 0.20 (0.15-0.28) |
| Aug 1st 06 - May 15th 07 | 267 | 397 | 0.67/psnyr | 28 | 224 | 0.13/psnyr | 0.19 (0.12-0.28) |
| May 16th 07 - Feb 29th 08 | 132 | 364 | 0.36/psnyr | 23 | 222 | 0.10/psnyr | 0.26 (0.15-0.43) |
| Mar 1st 08 - Dec 15th 08 | 92 | 334 | 0.28/psnyr | 14 | 220 | 0.06/psnyr | 0.20 (0.10-0.38) |
*Incident Rate Ratio controlling for age at beginning each observation period