Table 1.
Characteristics of influenza-like illness (ILI) and severe acute respiratory illness (SARI) patients in Shai-Osudoku and Ningo-Prampram Districts, May 2013 – April 2015
| ILI | SARI | |||||
|---|---|---|---|---|---|---|
| Tested (N = 2,322) | Not tested (N = 9,544) | Influenza-positive | Tested (N = 612) | Not tested (N = 189) | Influenza-positive | |
| Age group, years (n, %) | <0.01 | |||||
| 0 to 4 | 1,355 (58) | 5,161 (54) | 203 (15) | 386 (63) | 74 (37) | 32 (8) |
| 5 to 14 | 433 (19) | 2,026 (21) | 108 (25) | 108 (18) | 28 (14) | 14 (13) |
| 15 to 24 | 163 (7) | 677 (7) | 36 (22) | 27 (4) | 26 (13) | 4 (15) |
| 25 to 44 | 231 (10) | 979 (10) | 41 (18) | 49 (8) | 31 (16) | 1 (2) |
| 45 to 64 | 100 (4) | 440 (5) | 15 (15) | 30 (5) | 21 (11) | 5 (17) |
| ≥65 | 40 (2) | 261 (3) | 4 (10) | 12 (2) | 19 (10) | 2 (17) |
| Influenza-positive (n, %) | 407 (18) | 58 (9) | ||||
| Duration of symptoms prior to seeking health care-daysa | ||||||
| Median | 3 | 3 | 2 | 0 | ||
| Interquartile Range | 2-4 | 1-3 | 1-4 | 0-0 | ||
| Duration of hospitalization (SARI)- daysb | ||||||
| Median | NA | NA | 7 | 1 | ||
| Interquartile Range | NA | NA | 3-9 | 1-2 | ||
aMissing data: ILI Tested = 51%, ILI Not tested = 23%, SARI Tested = 1 record missing 0%, SARI Not tested = 6%
bMissing data: SARI Tested = 5%, SARI Not tested = 20%