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Table 1 Demographics of influenza, pertussis and IPD cases in WANIDD and PathWest datasets in 2000–2012

From: Using record linkage to validate notification and laboratory data for a more accurate assessment of notifiable infectious diseases

  Influenza (2001–2012) IPD (2001–2012) Pertussis (2000–2012)
PathWest (N = 4885) WANIDD (N = 5159) PathWest (N = 342) WANIDD (N = 502) PathWest (N = 2850) WANIDD (N = 4361)
n % n % n % n % n % n %
Male 2687 55.0 2849 55.2 185 54.1 285 56.7 1412 49.5 2154 49.4
Aboriginal 708 14.5 698 13.5 82 24.0 133 26.4 253 8.9 314 7.2
Age at specimen collection
  <6 months 328 6.7 309 6.0 31 9.1 36 7.2 391 13.7 434 10.0
 6–12 months 433 8.9 416 8.1 48 14.0 67 13.3 129 4.5 166 3.8
 12–23 months 649 13.3 629 12.2 94 27.5 145 28.8 216 7.6 301 6.9
 2–4 years 1318 27.0 1363 26.4 112 32.7 158 31.4 537 18.8 834 19.1
 5–9 years 1360 27.8 1513 29.3 43 12.6 74 14.7 901 31.6 1447 33.2
 10–16 years 797 16.3 929 18.0 14 4.1 23 4.6 676 23.7 1179 27.0
Year of specimen collection
 2000a N/A - N/A - N/A - N/A - 16 0.6 19 0.4
 2001 79 1.6 74 1.4 50 14.6 72 14.3 35 1.2 41 0.9
 2002 328 6.7 300 5.8 43 12.6 66 13.1 57 2.0 67 1.5
 2003 397 8.1 337 6.5 28 8.2 42 8.3 32 1.1 50 1.1
 2004 82 1.7 51 1.0 37 10.8 47 9.3 261 9.2 361 8.3
 2005 195 4.0 182 3.5 18 5.3 22 4.4 98 3.4 104 2.4
 2006 100 2.0 72 1.4 8 2.3 22 4.4 39 1.4 37 0.8
 2007 295 6.0 295 5.7 10 2.9 21 4.2 10 0.4 9 0.2
 2008 286 5.9 299 5.8 18 5.3 26 5.2 69 2.4 89 2.0
 2009 1008 20.6 1170 22.7 23 6.7 33 6.6 173 6.1 214 4.9
 2010 382 7.8 406 7.9 34 9.9 49 9.7 321 11.3 452 10.4
 2011 407 8.3 435 8.4 44 12.9 67 13.3 1042 36.6 1692 38.8
 2012 1326 27.1 1538 29.8 29 8.5 36 7.2 697 24.5 1226 28.1
Region at birth
 Metropolitan 3697 75.7 3972 77.0 248 72.5 344 68.4 1894 66.5 3018 69.2
 Rural 602 12.3 625 12.1 33 9.6 60 11.9 676 23.7 988 22.7
 Remote 576 11.8 550 10.7 61 17.8 99 19.7 276 9.7 347 8.0
  1. IPD invasive pneumococcal disease, WANIDD Western Australian Notifiable Infectious Diseases Database, PathWest PathWest Laboratory Medicine Western Australia Database. Aboriginal refers to Aboriginal and Torres Strait Islander people. Percentages may not equal 100 due to rounding and missing data
  2. aInfluenza and IPD data restricted to 2001–2012