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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

From: Incidence of medically attended influenza among residents of Shai-Osudoku and Ningo-Prampram Districts, Ghana, 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  
  1. aMissing data: ILI Tested = 51%, ILI Not tested = 23%, SARI Tested = 1 record missing 0%, SARI Not tested = 6%
  2. bMissing data: SARI Tested = 5%, SARI Not tested = 20%