Additional file 2: Figure S1. of Overall survival after reirradiation of spinal metastases – independent validation of predictive models

Survival curves in patients assigned to risk groups as detailed in SPT-Nieder (# = excluding all patients with unknown pleural status, and steroid use), SPT-Bollen, SPT-Tomita, SPT-Oswestry, and SPT-Bauer are shown in a-e. Figure S2f. shows performance of risk groups when ranked according to a score that was specifically adapted to the collective but has not yet been validated in an independent patient group. Median OS in the following legend is ranked from best to worst predictive group. a) Nieder, median OS: 21.8/4.6/3.1/1.2 months, p < 0.001; # = patients with unknown PE and unknown steroid use excluded. b) Bollen, median OS: 13/14.9/3.8/7.9 months, p = 0.12. c) Tomita, median OS: 20.1/2.2/7.9/3.8 months, p = 0.35. d) Oswestry, median OS: 14.9/6/3.1/3.8/29.1, p = 0.1 months. e) Bauer, median OS: 13/7.9/24.1 months, p = 0.75. f) Specifically adapted SPT, median OS: 24.1/8.97/3.2/1.84 months, p < 0.001 (TIF 4362 kb)