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Table 2 Comparison between key metrics in emergency department (ED) observation units (OUs) in the United States and Asia

From: Key operational characteristics in emergency department observation units: a comparative study between sites in the United States and Asia

 

Mean

SD

95% CI

P value

95% CI

P value

OU patients/bed/day

      

  US

1.6

0.7

-0.1 to 3.3

0.58

-0.8 to 2.1

0.27

  Asia

0.9

0.6

-0.6 to 2.4

0.12

OU length of stay (hours)

      

  US

12.9

1.9

8.3 to17.5

0.01

-67.9 to 52.7

0.39

  Asia

20.5

7.8

-49.4 to 90.4

0.17

OU discharge rate (%)

      

  US

84.3

1.2

81.5 to 87.2

0.00

-10.5 to 1.9

0.11

  Asia

88.7

2.9

81.5 to 95.8

0.00

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