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Table 2 Actuarial incidence of cerebrovascular mortality by local treatment groups

From: Increased risk of cerebrovascular mortality in head and neck cancer survivors aged ≥ 65 years treated with definitive radiotherapy: a population-based cohort study

Treatment

3-year (%)

5-years (%)

10-years (%)

15-years (%)

P a

P b

P c

Surgery alone

1.7

3.3

6.9

10.8

0.024

0.323

0.002

RT alone

2.1

3.8

8.1

13.3

   

Surgery plus RT

1.6

2.8

6.8

11.2

   
  1. a indicates surgery alone versus RT alone; b indicates surgery alone versus surgery plus RT; c indicates RT alone versus surgery plus RT