Page 62 - Predicting survival in patients with spinal bone metastasesL
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CHAPTER IV
Table 7. Survival times training and validation data sets. CI: Confidence interval. HR: Hazard ratio.
MOS: Median overall survival
Category
MOS (95%CI)
N (%)
HR
95% CI
p-value
Training data set
A B C D
Validation data set
A B C D
31.2 (25.2-37.3) 15.4 (11.9-18.2) 4.8 (4.1-5.4) 1.6 (1.4-1.9)
16.3 (11.1-21.6) 12.8 (9.5-16.0) 7.0 (5.1-9.0) 3.6 (2.6-4.6)
116 (12) 226 (23) 374 (37) 278 (28)
64 (19) 111 (33) 91 (27) 73 (21)
- -
1.8 1.4-2.3 4.4 3.5-5.6 9.3 7.2-12.1
- - 1.5 1.0-2.2 2.8 1.9-4.1 6.0 3.9-9.2
<0.001 <0.001 <0.001 <0.001
<0.001 0.029 <0.001 <0.001
Figure 3A. Eight categories prior to merging.
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