From: The Nottingham Prognostic Index: 5-year and 10-year survival data for all-cause survival within a screened population
NPI category
Number of cases
5-year survival (%)
10-year survival (%)
1
322 (20.8%)
97
89
2
537 (34.7%)
93
84
3
536 (34.7%)
90
77
4
151 (9.8%)
88
73