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

Table 2 Univariate factors associated with length of stay

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

ISSN: 1472-6963