From: Predicting outcomes after blunt chest wall trauma: development and external validation of a new prognostic model
Final risk score
Probability mean ± SD
0 to 10
13% ± 6
11 to 15
29% ± 8
16 to 20
52% ± 8
21 to 25
70% ± 6
26 to 30
80% ± 6
31+
88% ± 7