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Table 3 Linear regression model: Factors associated with likelihood of shift median length of stay (LOS) falling within four hours

From: Increasing consultant-level staffing as a proportion of overall physician coverage improves emergency department length of stay targets

Variable

Odds ratio (95% confidence interval)

p

On-duty Consultant n

−5.44 (−6.53 to − 4.35)

<.0001

Total on-duty physicians

2.55 (1.76–3.34)

<.0001

Study month

1.60 (1.39–1.81)

<.0001

Shift time (day, evening, night)

−24.2 (− 29.6 to − 18.8)

<.0001

Shift occurrence on a Friday

−11.5 (.16.9 to −6.13)

<.0001

Shift census (per 100 patients)

3.44 (0.14–6.74)

.036

Proportion left-without-being-seen cases on shift

6.43 (6.00–6.89)

<.0001

Proportion of Qatari nationals on shift

−2.25 (− 2.89 to −1.61)

<.0001

Proportion of low-acuity cases on shift

−2.52 (− 2.88 to − 2.16)

<.0001