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Table 3 The modified Gleason grade grouping (mGGG) model based on the individual quantitative risk score (IQRS, points) of each pathological Gleason score (GS)

From: Quantification of the individual risk of each Gleason pattern, including tertiary Gleason pattern 5, after radical prostatectomy: development of the modified Gleason grade grouping (mGGG) model

mGGG

Pathological GS (original GGG category)

n

IQRS, points

HR

I

3 + 3 or less (I)

119

0

1

II

3 + 4 (II)

395

0.79

2.21

III

4 + 3 (III)

148

1.07

2.91

IV

3 + 4 + t5 (II)

53

1.67

5.29

4 + 3 + t5 (III)

94

1.94

6.96

3 + 5 (IV)

17

1.37

3.92

5 + 3 (IV)

2

1.81

6.13

4 + 4 (IV)

59

1.86

6.45

V

4 + 4 + t5 (IV)

8

2.73

15.40

4 + 5 (V)

108

2.44

11.43

5 + 4 (V)

19

2.61

13.57

5 + 5 (V)

0

3.18

24.06

  1. mGGG modified Gleason grade grouping, GS Gleason score, GGG Gleason grade grouping IQRS Individual quantitative risk score, HR Hazard ratio