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 3 Multivariate factors associated with length of stay

Factor	Coefficient	95%CI	p-value	Diff in days
Sex [Female]
Male	-0.04	-0.05, -0.03	<0.001	-0.28
Age group [Up to 34 years]
35 to 44 years old	0.12	0.09, 0.15	<0.001	0.51
45 to 54 years old	0.24	0.22, 0.27	<0.001	1.08
55 years and above	0.58	0.56, 0.60	<0.001	3.06
Admission type [Emergency]
Elective	-0.43	-0.46, -0.40	<0.001	-2.35
Source of admission [Emergency Department]
Specialist Outpatient Clinic	0.10	0.07, 0.13	<0.001	0.67
Ward	0.42	0.36, 0.47	<0.001	3.25
Not Available	0.13	0.11, 0.14	<0.001	0.86
Admission on Eve of public holiday	0.10	0.06, 0.15	<0.001	0.71
Admission on Weekend (Fri-Sun)	0.05	0.03, 0.06	<0.001	0.31
Admission time [0800–1229 hrs]
1230 to 1659 hrs	0.18	0.16, 0.20	<0.001	1.14
1700 to 0759 hrs	0.10	0.08, 0.13	<0.001	0.65

ISSN: 1472-6963