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. Author manuscript; available in PMC: 2018 Mar 12.
Published in final edited form as: JCO Clin Cancer Inform. 2017 Jun 8;2017:10.1200/CCI.16.00045. doi: 10.1200/CCI.16.00045

Table 4.

Risk Stratification Success by Individual Strata

Manual Data Collection NLP
PSA ≤ 10 > 10 to ≤ 20 > 20
 ≤ 10 1,886 23        15
 > 10 to ≤ 20 15 211        5
 > 20 3 7        53
Gleason score ≤ 6 7        8–10
 ≤ 6 986 81        4
 7 53 880        20
 8–10 0 27        290
Clinical T stage T1-T2a T2b        T2c-T3
 T1-T2a 1,625 8        11
 T2b 8 49        0
 T2c-T3 3 1        71

NOTE. Categories are those used to assign points in the D’Amico risk stratification algorithm.

Abbreviations: NLP, natural language processing; PSA, prostate-specific antigen.