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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].