Table 1.
Total Cases of Blood Culture-confirmed Typhoid Fever in Samoa from 2008 to 2019, the Percentage of Cases by 5-Year Age Groups, and the Cumulative Percentage of Typhoid Cases by Age as a Percentage of the Aggregate Total Number of Cases
| Age Group (years) | Population (2019 estimate)a | Total casesb (2008–2019) | Percentage of Cases by Age Group | Cumulative Percentage of Typhoid Cases by Age |
|---|---|---|---|---|
| 0–4 | 28 883 | 83 | 7.5 | 7.5 |
| 5–9 | 25 663 | 156 | 14.0 | 21.5 |
| 10–14 | 21 990 | 170 | 15.3 | 36.7 |
| 15–19 | 19 440 | 141 | 12.7 | 49.4 |
| 20–24 | 16 329 | 114 | 10.2 | 59.7 |
| 25–29 | 13 675 | 125 | 11.2 | 70.9 |
| 30–34 | 12 223 | 87 | 7.8 | 78.7 |
| 35–39 | 11 077 | 63 | 5.7 | 84.4 |
| 40–44 | 10 516 | 61 | 5.5 | 89.8 |
| 45–49 | 10 026 | 42 | 3.8 | 93.6 |
| 50–54 | 8665 | 24 | 2.2 | 95.8 |
| 55–59 | 7190 | 16 | 1.4 | 97.2 |
| 60–64 | 5359 | 10 | 0.9 | 98.1 |
| 65–69 | 3564 | 10 | 0.9 | 99.0 |
| 70–74 | 2757 | 4 | 0.4 | 99.4 |
| 75+ | 3517 | 7 | 0.6 | 100.0 |
| Total | 200 874 | 1113 | 100.0 |
aThe total population estimate and populations by age groups for 2019 are extrapolations from the 2016 census provided by the Samoa Bureau of Statistics.
bTotal cases for which age data were available. Age was reported as “not stated” for 64 (5.4%) of the total 1177 cases recorded between 2008 and 2019.