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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