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Table 4 Different Gleason score formats reported for the study

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

#

Extracted score

As reported in the biopsy report

1

5 + 4 = 9

5, 4

2

5 + 4 = 9

5 PLUS 4 EQUALS 9

3

3 + 3 = 6

3 + 3 = 6 OR 3 + 3

4

3 + 5 = 8

MAJOR PATTERN 3, MINOR PATTERN 5

5

4 + 3 = 7

MAJOR PATTERN: 4/5 MINOR PATTERN: 3/5

6

4 + 3 = 7

MAJOR 4 PLUS MINOR 3 EQUALS 7

7

5 + 3 = 8

SCORE 8 (MAJOR 5; MINOR 3)

8

3 + 4 = 7

7 (3 + 4)

9

4 + 3 = 7

(4 + 3) = 7

10

3 + 4 = 7

3 (MAJOR) + 4 (MINOR) = 7/10

  1. The clean extracted score reported, and the original value reported in the prostate biopsy report is indicated for the study dataset