Table 2.

Costs, QALYs, and ICERs (95% uncertainty intervals) for biennial screening of varying age ranges, by sex by ethnic group, among the 2011 populationa modeled out to death

TotalMenWomenMāoriNon-Māori
Population-level, all 30+ year-olds in 2011 for biennial screening for ages 50–74, commencing in screen naïve population in 2011
 Cost of intervention (NZ$; millions)$1,520 ($1,310 to $1,778)$755 ($639 to $895)$766 ($652 to $897)$148 ($127 to $174)$1,370 ($1,175 to $1,608)
 Net cost (NZ$; millions)$293 (−$48 to $700)$52 (−$153 to $251)$241 ($87 to $401)$66 ($35 to $96)$226 (−$91 to $559)
 QALYs gained101,800 (78,800 to 126,000)53,600 (39,100 to 70,200)48,200 (37,700 to 58,700)6,578 (4,760 to 8,730)95,200 (73,100 to 118,000)
 ICER$2,930 ($cs to $6,850)$1,020 ($cs to $5,060)$5,070 ($cs to $8,950)$10,500 ($4,500 to $17,900)$2,420 ($cs to $6,230)
Per 50–54-year-old person (screen naïve) in 2011 under biennial screening for ages 50–74
 Net cost (NZ$)$204 ($16 to $391)$102 (−$115 to $316)$300 ($137 to $469)$346 ($208 to $480)$186 (−$12 to $380)
 QALYs gained0.055 (0.042 to 0.068)0.060 (0.044 to 0.078)0.049 (0.039 to 0.061)0.031 (0.024 to 0.041)0.058 (0.044 to 0.072)
 ICER$3,770 ($279 to $7,700)$1,770 ($cs to $5,910)$6,100 ($2,604 to $9,940)$11,100 ($5,920 to $17,300)$3,270 ($cs to $7,150)
Per 70–74-year-old person (screen naïve) in 2011 under biennial screening for ages 70–74
 Net cost (NZ$)−$31 (−$76 to −$5)−$46 (−$101 to $0)−$22 (−$59 to −$14)$18 ($5 to −$32)−$41 (−$86 to −$3)
 QALYs gained0.015 (0.011 to 0.018)0.015 (0.011 to 0.020)0.014 (0.011 to 0.018)0.003 (0.002 to 0.005)0.016/(0.012 to 0.020)
 ICER$cost saving ($cs to $390)$cost saving ($cs to $43)$cost saving ($cs to $1,010)$4,910 ($1,360 to $9,160)$cost saving ($cs to $177)
  • NOTE: Discount rate 3%.

  • Cost-saving (cs).

  • aPopulation counts for age groups 30+, 50–54 years and 70–74 years: non-Māori men: 1,102,110; 129,850; 65,070; non-Māori women: 1,199,960; 135,320; 70,530; Māori men: 126,900; 15,700; 4,500; Māori women: 144,900; 17,700; 5,100.