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Table 3 Model predicted cancer (all stages) and false positive test results per 100,000 (Ontario).

From: Human papillomavirus testing with Pap triage for cervical cancer prevention in Canada: a cost-effectiveness analysis

Strategy False Positives Cancer (All Stages)
No Intervention (Natural history) 1 - 2,145
HPV with Pap Triage, q5, age 25 1 (SS 26) 2,871 736
HPV with Pap Triage, q3, age 25 1 (SS 23) 5,585 467
HPV with Pap Triage, q5, age 18 (SS 25) 7,044 679
HPV with Pap Triage, q3, age 18 1 (SS 22) 9,872 437
Miller at age 18, then HPV with Pap Triage, q5, age 25 (SS 27) 11,404 658
Miller at age 18, then HPV with Pap Triage, q3, age 25 (SS 24) 14,160 411
Miller strategy (Pap q1 beginning at age 18, then q3 at age 21) (SS 1) 20,529 809
HPV only, q5, age 25 (SS 8) 22,437 586
Pap only, q2, age 18 (SS 3) 25,103 600
Pap with HPV Triage, q1, age 25 (SS 20) 27,660 364
Pap and HPV, q5, age 25 (SS 17) 30,817 548
Miller at age 18, then Pap with HPV Triage, q1, age 25 1 (SS 21) 37,034 330
HPV only, q3, age 25 (SS 5) 40,789 361
HPV only, q5, age 18 (SS 7) 40,957 538
Pap with HPV Triage, q1, age 18 1 (SS 19) 44,903 309
Pap only, q1, age 18 1 (SS 2) 46,337 303
Pap and HPV, q5, age 18 (SS16) 50,790 500
Pap and HPV, q3, age 25 (SS 14) 54,835 335
HPV only, q3, age 18 (SS 4) 60,456 330
Miller at age 18, then HPV only, q5, age 25 (SS 9) 61,375 517
Miller at age 18, then Pap and HPV, q5, age 25 (SS 18) 73,470 481
Pap and HPV, q3, age 18 (SS 13) 76,438 304
Miller at age 18, then HPV only, q3, age 25 (SS 6) 79,887 301
Pap and HPV, q2, age 25 (SS 11) 82,340 229
Miller at age 18, then Pap and HPV, q3, age 25 (SS 15) 97,645 283
Pap and HPV, q2, age 18 1 (SS 10) 118,646 180
Miller at age 18, then Pap and HPV, q2, age 252 (SS 12) 125,229 184
  1. 1 Strategy falls on the efficiency frontier (for Ontario)