Table 2.
Crude and Adjusted Incidence Rates and Case Fatality Rate of Invasive Nontyphoidal Salmonella Disease Across Different Age Groups
| Age Group, y |
Cases | Deaths | CFR (%) | Cases in KHDSS |
Person-years of Observation |
Crude Incidence (95% CI) |
Adjusted Incidencea (95% CI) |
Access-Adjusted Incidence (95% CI) |
|---|---|---|---|---|---|---|---|---|
| 0–4 | 321 | 71 | 22 | 186 | 726 881 | 25.6 (22.0–29.5) | 32.6 (28.1–37.7) | 36.4 (35.6–37.1) |
| 5–14 | 36 | 3 | 8.3 | 22 | 1 174 129 | 1.9 (1.17–2.84) | 2.4 (1.49–3.62) | … |
| ≥15 | 30 | 11 | 37 | 11 | 1 056 038 | 1.0 (.52–1.86) | 1.7 (.87–3.11) | … |
Incidence rates are given per 100 000 person-years.
Abbreviations: CFR, case fatality rate; CI, confidence interval; KHDSS, Kilifi Health and Demographic Surveillance System.
a Adjustment based on missed blood cultures and contamination rate per age group.