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Table 5 Comparison of injury to non-injury visits based on Severity Classification System (SCS)

From: Anticipated resource utilization for injury versus non-injury pediatric visits to emergency departments

Metric

 

SCS Uncodablea

SCS 1

SCS 2

SCS 3

SCS 4

SCS 5

% of all visits

Injury

3.8

1.2

28.6

56.0

9.6

0.8

 

Non-injury

5.1

3.0

31.4

47.3

12.2

1.1

 

Overall Chi-square for injury vs non-injury <0.0001

      

ED LOS (mean)

Injury

191.3

109.8

138.3

170.9

284.8

386.6

 

Non-injury

222.4

112.4

142.4

218.3

367.2

452.9

ED LOS (median)

Injury

123

75

112

121

180

180

 

Non-injury

128

77

104

158

240

240

 

Difference in median LOS between injury and non-injury visits

5.0 (3.3, 6.7)

2.0 (-0.2, 4.2)

8.0 (-8.6, 7.4)

37.0 (36.5, 37.5)

60.0 (59.3, 60.7)

60.0 (54.0, 66.0)

Admit % [For each SCS, the % admitted or transferred)

Injury

3.3

1.1

1.5

6.7

36.3

73.4

Non-injury

4.5

1.0

1.9

12.3

50.9

81.5

OR (Injury vs non-injury visits)

0.57 (0.54, 0.59)

1.09 (0.88, 1.36)

0.79 (0.76, 0.82)

0.51 (0.51, 0.52)

0.55 (0.54, 0.56)

0.62 (0.58, 0.66)

Median ISS

Determinable only in injury visits

1

1

1

1

3

10

  1. aICD-9CM could not be assigned an SCS level