GOSE score

Index (RA + RV): (RV + LA + LV)

Risk of mortality (%)

Grade 1

Ratio < 0.5

0

Grade 2

Ratio of 0.5 to 0.99

10

Grade 3

Ratio of 1 to 1.49

44 - 100

Grade 4

Ratio ≥ 1.5

100