From: The Cambridge Prognostic Groups for improved prediction of disease mortality at diagnosis in primary non-metastatic prostate cancer: a validation study
CPG comparison
Sub-hazard ratio
95% confidence interval
p value
2 vs. 1
2.30
2.04–2.59
< 0.0001
3 vs. 2
2.11
1.89–2.36
4 vs. 3
1.56
1.42–1.72
5 vs. 4
2.72
2.58–2.88