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Table 4 Procedures predictive of prolonged length of stay (LOS)

From: A time and motion study of patients presenting at the accident and emergency department at Mater Dei Hospital

Causes of Prolonged LOS

Number

Mean LOS (hrs)

T test

P value

 

Yes

No

Yes

No

  

Presented at ED between 0200 and 1400

377

349

03:34

03:57

-2.335

0.002

Laboratory tests ordered in area

171

569

05:10

03:40

4.980

< 0.001

Imaging ordered in area

514

224

04:31

03:51

3.100

0.002

Seen by senior for admission/discharge

162

564

04:44

03:28

6.275

< 0.001