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Table 6 Comparison of low, intermediate and high-risk Gleason scores for the predicted and manually coded values

From: Using text mining techniques to extract prostate cancer predictive information (Gleason score) from semi-structured narrative laboratory reports in the Gauteng province, South Africa

GS risk category

Predicted

Manually coded

F-score

Low-risk GS (≤ 6)

199

193

0.98

Intermediate-risk GS (7)

311

314

1.00

High-risk GS (≥ 8)

490

493

1.00

p-value&

  

0.9439

Macro-average F-score

  

0.99

Macro recall

  

1.00

Macro precision

  

0.98

  1. The macro-average F-score is reported
  2. GS: Gleason score
  3. &Alpha value of 0.05 used to assess significance