Reducing 30-Day Rehospitalization Rates Using a Transition of Care Clinic Model in a Single Medical Center

Table 2

Cox proportional-hazards regression analysis of risk factors for hospital readmission.

Variable	Regression coefficient	Standard error	Wald	value	Hazard ratio; (95% CI)
Age	0.006	0.014	0.157	0.692	1.01 (0.98–1.03)
Gender	0.365	0.335	1.187	0.276	1.44 (0.75–2.78)
Length of stay	0.041	0.030	1.889	0.169	1.04 (0.98–1.10)
DRG weight	−0.075	0.176	0.181	0.670	0.93 (0.66–1.31)
Charlson score	0.112	0.077	2.434	0.119	1.12 (9.72–1.29)
Referred to TOC	0.751	0.410	3.356	0.067	2.12 (0.95–4.73)
Attended TOC	−1.684	0.804	4.383	0.036	0.19 (0.04–0.90)
Principal diagnosis
Septicemia NOS (038.9)	0.376	0.498	0.571	0.450	1.46 (0.55–3.86)
Cerebral artery occlusion NOS with infarction (434.91)	−0.368	1.024	0.129	0.719	0.69 (0.09–5.14)
Pneumonia, organism NOS (486)	.408	0.740	0.304	0.581	1.50 (0.35–6.41)
Obstructive chronic bronchitis with acute exacerbation (491.21)	1.294	0.617	4.395	0.036	3.65 (1.09–12.23)
Acute and chronic respiratory failure (518.84)	0.149	1.024	0.021	0.884	1.16 (0.16–8.63)
Acute kidney failure NOS (584.9)	0.305	1.024	0.089	0.765	1.36 (0.18–10.09)
Subendocardial infarct, initial (410.71)	−11.841	440.814	0.001	0.979	0
DM type 1 with ketoacidosis, uncontrolled (250.13)	2.345	0.499	22.038	<0.001	10.43 (3.92–27.77)
Urinary tract infection, NOS (599.0)	−11.841	471.250	0.001	0.980	0
E. coli septicemia (038.42)	0.564	1.024	0.303	0.582	1.76 (0.24–13.06)