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Table 2 Univariate factors associated with length of stay

From: Exploring if day and time of admission is associated with average length of stay among inpatients from a tertiary hospital in Singapore: an analytic study based on routine admission data

Factor Coefficient 95%CI p-value
Sex [Female]    
Male -0.09 -0.11, -0.08 <0.001
Age group [Up to 34 years]    
35 to 44 years old 0.12 0.09, 0.15 <0.001
45 to 54 years old 0.24 0.21, 0.26 <0.001
55 years and above 0.59 0.57, 0.61 <0.001
Admission type [Emergency]    
Elective -0.4 -0.43, -0.38 <0.001
Source of admission [Emergency Department]    
Specialist Outpatient Clinic -0.17 -0.20, -0.15 <0.001
Ward 0.29 0.23, 0.35 <0.001
Not Available 0.09 0.07, 0.10 <0.001
Day of week admitted [Monday]    
Tuesday 0.05 0.02, 0.08 <0.001
Wednesday 0.01 -0.02, 0.03 0.605
Thursday 0.04 0.01, 0.06 0.012
Friday 0.11 0.08, 0.14 <0.001
Saturday 0.13 0.10, 0.16 <0.001
Sunday 0.03 0.00, 0.06 0.024
Admission on:    
Public holiday 0.08 0.03, 0.13 0.002
Eve of public holiday 0.12 0.07, 0.17 <0.001
Weekend (Fri-Sun) 0.07 0.06, 0.09 <0.001
Admission time [0800–1229 hrs]    
1230 to 1659 hrs 0.24 0.21, 0.26 <0.001
1700 to 0759 hrs 0.18 0.16, 0.20 <0.001
  1. Note: Reference groups are indicated in parenthesis []