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Table 5 Results of scenario analyses over 2002–2012 (2009 excluded) for total recommended population (n = 7,423,675)

From: Impact of quadrivalent influenza vaccine on public health and influenza-related costs in Australia

  Total over the period (% variation compared to base case)
Base case Scenario 1 Scenario 2
Outcomes avoided
 Influenza cases 68,271 58,468 (−14 %) 68,271 (0 %)
 GP consultations 47,537 40,711 (−14 %) 47,537 (0 %)
 Working days lost 33,091 28,339 (−14 %) 33,091 (0 %)
 Hospitalisations 3,522 3,016 (−14 %) 4,095 (16 %)
 Deaths 683 585 (−14 %) 693 (1 %)
Influenza-related cost offsets (in A$)
 GP consultations $1,761,250 $1,508,357 (−14 %) $1,761,250 (0 %)
 Hospitalisations $34,741,889 $29,750,615 (−14 %) $38,300,256 (10 %)
 Income loss $10,010,133 $8,572,811 (−14 %) $10,010,133 (0 %)
 Total societal costs $46,513,271 $39,831,784 (−14 %) $50,071,639 (8 %)
  1. GP general practitioner, Scenario 1: Constant attack rate over study period; Scenario 2: Increased risk of hospitalisation and death for population with risk factor