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Table 10 Extracted reliable rules for survival prediction (> 85% accuracy)

From: A comparative analysis of multi-level computer-assisted decision making systems for traumatic injuries

Rules

Test Accuracy

Method

(Cg = 'Yes') and HEAD < 2 and AGE < 76.65 Then Alive

29/34(85.3%)

CART

(Cg = 'No') and (MI = 'No') and AGE < 61.70 and HEAD ≤ 4 and (ARDS = 'No') Then Alive

334/375(89.1%)

CART

(Cg = 'No') and (MI = 'No') and HEAD ≥ 5 and AGE < 22.35 Then Alive

55/64(85.9%)

CART

ISS ≥ 28 and (Cg = 'No') and THORAX ≤ 4 and 62.25 ≤ AGE < 69.00 and EDRTS ≥ 2.88 Then Alive

10/11(90.9%)

CART

ISS ≥ 23 and (Cg = 'No') and THORAX ≤ 4 and 69 ≤ AGE < 72.35 Then Alive

13/15(86.7%)

CART

HEAD ≤ 2 and (MI = 'No') and (Cg = 'No') and AGE ≤ 62 Then Alive

182/206(88.3%)

C4.5

(MI = 'Yes') and AGE ≤ 62 and EDRTS > 5.39 and ISS ≤ 25 Then Alive

19/20(95%)

C4.5

THORAX > 3 and HEAD ≤ 4 and (ARDS = 'No') and AGE ≤ 62 Then Alive

126/148(85.1%)

C4.5

THORAX ≤ 2 and EDRTS ≤ 0.87 and ISS > 38 Then Dead

12/13(92.3%)

C4.5

(MI = 'Yes') and AGE > 82.6 Then Dead

16/18(88.9%)

C4.5

(MI = 'Yes') and ISS > 30 Then Dead

45/50(90%)

C4.5

HEAD > 4 and (MI = 'Yes') Then Dead

25/27(92.6%)

C4.5

(Cg = 'Yes') and HEAD ≤ 4 and AGE > 78 Then Dead

12/14(85.7%)

C4.5

(ID = 'Yes') and AGE > 78 and (MI = 'Yes') and HEAD ≤ 4 Then Dead

27/31(87.1%)

C4.5

HEAD > 0 and HEAD ≤ 2 and (ID = 'Yes') and (ARDS = 'No') and AGE ≤ 75.2 Then Alive

107/118(90.7%)

C4.5

(ID = 'Yes') and (MI = 'Yes') and HEAD > 3 Then Dead

43/49(87.8%)

C4.5

(MI = 'Yes') and (ID = 'Yes') and AGE > 78 Then Dead

32/37(86.5%)

C4.5

HEAD > 4 and (MI = 'Yes') Then Dead

25/27(92.6%)

C4.5

(MI = 'Yes') and ISS > 30 Then Dead

45/50(90%)

C4.5

(MI = 'Yes') and AGE > 79.6 and ISS > 12 Then Dead

27/30(90%)

C4.5

(Cg = 'Yes') and HEAD ≤ 4 and AGE > 79.6 Then Dead

12/14(85.7%)

C4.5

(ARDS = 'No') and (MI = 'No') and (Cg = 'No') and HEAD ≤ 4 and AGE ≤ 62 Then Alive

335/376(89.1%)

C4.5

(MI = 'Yes') and (ID = 'Yes') and AGE > 78 Then Dead

15/16(93.8%)

C4.5

(MI = 'Yes') and HEAD ≤ 4 and ISS > 38 Then Dead

29/34(85.3%)

C4.5

(MI = 'Yes') and AGE ≤ 61.6 and ISS > 27 Then Dead

26/30(86.7%)

C4.5

HEAD = 2 and (MI = 'No') and AGE ≤ 62 and ISS ≤ 38 Then Alive

235/270(87%)

C4.5

THORAX > 0 and (ID = 'Yes') and ISS ≤ 30 Then Alive

13/14(92.9%)

C4.5

  1. Reliable rules are defined as those with accuracy greater than 85%. Cg stands for coagulopathy; MI for myocardial infarction; ARDS for Acute Respiratory Distress Syndrome; EDRTS for Emergency Department Revised Trauma Score; ISS for Injury Severity Score; ID for Insulin-Dependent.