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Table 1 Patient demographics, clinical characteristics and outcomes

From: Treatment provider is most predictive of ED dismissal in minimally-injured trauma patients: a retrospective review

  Trauma population Treatment provider  
Variables Total sample Trauma surgeon (Control) ED physician (Intervention) p*
Number (%) 243 113 (47) 130 (53) .28
Patient demographics     
?Mean age (CI) 33.9 (31.1 - 36.6) 31.9 (28.3 - 35.5) 35.5 (31.4 - 39.6) .20
?Sex: Males (%) 126 (51.9) 54 (47.8) 72 (55.4) .29
?Injury: MVC/Accident (%) 137 (56.4) 69 (61.1) 68 (52.3) .27
?Injury: Fall (%) 55 (22.6) 25 (22.1) 30 (23.1) --
?Injury: Other (%) 51(21.0) 19 (16.8) 32 (24.6) --
Clinical characteristics (n=232)     
?GCS=14 (%) 38 (15.8) 20 (17.9) 18 (14.0) .41
?GCS=15 (%) 203 (84.2) 92 (82.1) 111 (86.0)  
?ISS§ =1-4 (%) 116 (50.0) 49 (46.7) 67 (52.8) .36
?ISS§ =5-18 (%) 116 (50.0) 56 (53.3) 60 (47.2)  
Minutes to care by     
?Physician evaluation 1.9 (1.0 - 2.7) 2.1 (1.0 - 3.1) 1.7 (.33 - 3.1) .66
?Chest X-ray (n=150) 11.8 (9.1 - 14.5) 9.2 (7.4 - 10.9) (n=89) 15.7 (9.6 - 21.8) (n=61) .02
?Head CT (n=127) 13.2 (9.6 - 16.7) 10.7 (8.0 - 12.3) (n=63) 16.1 (9.4 - 22.8) (n=64) .10
ED length of stay (minutes) 102 (96–109) 93 (84–102) 111 (102–121) .006
Disposition     
?Discharged (%) 99 (40.7) 26 (23.2) 72 (55.8) <.001
?Admitted (%) 144 (59.3) 86 (76.8) 57 (44.2) --
Readmission rates (%) 3 (1) 2 (2) 1 (<1) .48
  1. * independent sample t-test; frequency comparison by Pearson's Chi-square; CI=confidence interval; CT=computed tomography.
  2. GCS and ISS reported by grouping as entered into regression model; ISS groups determined by median split.
  3. †Mann–Whitney U test;
  4. GCS (Glasgow Coma Scale): [17].
  5. §ISS (Injury Severity Score): [18].