Table 4

Top 20 most important features for Ridge Classifier

RankMachine learning feature
1AIS—admission_A
2AIS—admission_D
3AIS—admission_B
4Neurologic category—admission_complete paraplegic
5Neurologic category—admission_incomplete tetraplegic
6AIS—admission_C
7Neurologic category—admission_complete tetraplegic
8Neurologic category—admission_incomplete paraplegic
9Level of Injury—admission
10Marital status—injury_never married
11Marital status—injury_married
12Occupation status—injury_working
13Primary insurance_unknown
14Occupation status—injury_student or infant
15Age—injury
16Marital status—injury_divorced
17Race_white
18Sex
19Occupation status—injury_retired
20Education—injury