Skip to main content
. Author manuscript; available in PMC: 2024 Aug 1.
Published in final edited form as: Int J Radiat Oncol Biol Phys. 2024 Mar 10;119(5):1569–1578. doi: 10.1016/j.ijrobp.2024.02.021

Table 3.

Model validation: Estimated versus actual no. of ORN in the test set for K = 5 per PDE status

Cluster no. PDE = 0 PDE = 1
Training risk indices (95% CI) Total no. of patients Estimated no. of ORN (95% CI) Actual no. of ORN Training risk indices (95% CI) Total no. of patients Estimated no. of ORN (95% CI) Actual no. of ORN
1 0.0% 18 0.0 0 0.0% 2 0.0 0
2 4.4% (0.0%, 10.4%) 23 1.0 (0.0, 2.4) 0 0.0% 5 0.0 0
3 2.6% (0.3%, 4.9%) 73 1.9 (0.2, 3.6) 3 8.9% (1.4%, 16.4%) 24 2.1 (0.3, 3.9) 4
4 12.0% (7.8%, 16.1%) 92 11.0 (7.2, 14.8) 11 24.3% (16.3%, 32.3%) 43 10.5 (7.0, 14.0) 10
5 24.8% (17.5%, 32.3%) 70 17.4 (12.2, 22.6) 19 30.6% (19.2%, 42.2%) 29 8.9 (5.6, 12.2) 7

Abbreviations: ORN = osteoradionecrosis; PDE = preradiation dental extraction (0 = no/edentulous, 1 = dental extractions).