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Table 2 Disease events and deaths prevented with the two vaccination strategies associated with cervical screening

From: Assessing the epidemiological impact on cervical cancer of switching from 4-valent to 9-valent HPV vaccine within a gender-neutral vaccination programme in Switzerland

HPV 16/18/31/33/45/52/58 related disease incidence cases and deaths

Years since start of vaccination programme

25

50

100

CIN1 cases- females

 4vHPV vs screening (nb of events avoided)

3125

11,579

31,382

 9vHPV vs screening (nb of events avoided)

4278

16,146

44,084

 9vHPV vs 4vHPV (nb of events avoided)

1153

4567

12,702

 Cumulative incidence decrease, 9vHPV vs 4vHPV (%)

10.4

27.1

49.8

CIN2 cases- females

 4vHPV vs screening (nb of events avoided)

3948

14,852

40,551

 9vHPV vs screening (nb of events avoided)

5321

20,254

55,552

 9vHPV vs 4vHPV (nb of events avoided)

1373

5401

15,000

 Cumulative incidence decrease, 9vHPV vs 4vHPV (%)

9.8

25.6

47.8

CIN3 cases- females

 4vHPV vs screening (nb of events avoided)

4232

18,227

54,031

 9vHPV vs screening (nb of events avoided)

5224

22,789

67,893

 9vHPV vs 4vHPV (nb of events avoided)

991

4562

13,862

 Cumulative incidence decrease, 9vHPV vs 4vHPV (%)

5.2

16.1

35.5

Cervical cancer cases- females

 4vHPV vs screening (nb of events avoided)

242

2316

10,414

 9vHPV vs screening (nb of events avoided)

305

2961

13,394

 9vHPV vs 4vHPV (nb of events avoided)

63

644

2979

 Cumulative incidence decrease, 9vHPV vs 4vHPV (%)

1.2

7.1

24.2

Cervical cancer deaths- females

 4vHPV vs screening (nb of deaths avoided)

16

399

2554

 9vHPV vs screening (nb of deaths avoided)

20

512

3295

 9vHPV vs 4vHPV (nb of events avoided)

4

113

741

 Cumulative incidence decrease, 9vHPV vs 4vHPV (%)

0.3

4.1

19.7