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Table 2 Incidence rate of clinical malaria and protective efficacy after 52 weeks of follow-up per treatment group and age category
| <5 years | 5–10 years | All | ||||
|---|---|---|---|---|---|---|
| sIPT- | sIPT + | sIPT- | sIPT + | sIPT- | sIPT + | |
| Number of malaria episodes | 127 | 65 | 94 | 65 | 221 | 130 |
| Person-days (-years) of follow up | 17311 (47.6) | 16590(45.6) | 20799 (57.1) | 24025 (66.0) | 38110 (104.7) | 40615 (111.6) |
| Incidence rate malaria disease per 1000 person-days (-years) of follow up | 7.3 (2.67) | 3.9(1.43) | 4.5 (1.65) | 2.7 (0.98) | 5.8 (2.11) | 3.2 (1.16) |
| Unadjusted PE in % (95% CI) | Reference group | 46.6 (28.0–60.4 | Reference group | 40.1 (17.9–56.4) | Reference group | 44.8 (31.5–55.6) |
| Age adjusted PE in % (95% CI) | Reference group | 46.6 (28.0 – 60.4) | Reference group | 35.9 (11.8–53.4) | Reference group | 42.5 (28.6 – 53.8) |
