Table 6

Readmission

Variables	Univariate OR (95% CI)	p Value	EQ-VAS Multivariate OR (95% CI)	p Value
EQ-VAS
0–50	3.08 (1.71 to 5.53)	<0.001	1.99 (0.90 to 4.38)	0.087
51–70	2.03 (0.95 to 4.34)	0.068	1.57 (0.68 to 3.62)	0.292
71–80	2.04 (1.32 to 3.15)	0.001	1.14 (0.59 to 2.19)	0.698
81–100	Reference		Reference
Age	1.05 (1.0 to 1.09)	0.013	1.03 (0.99 to 1.07)	0.127
Ambulance to cardiology department/PCI unit	0.42 (0.16 to 1.08)	0.073	0.46 (0.16 to 1.33)	0.150
Ambulance to the emergency department	1.77 (1.18 to 2.66)	0.006	1.27 (0.69 to 2.33)	0.441
Diabetes mellitus	0.99 (0.54 to 1.82)	0.985	1.05 (0.58 to 1.90)	0.868
Women	1.92 (1.03 to 3.58)	0.041	1.41 (0.75 to 2.64)	0.289
History of heart failure	1.55 (0.63 to 3.81)	0.343	1.15 (0.41 to 3.24)	0.788
Hypertension	0.99 (0.50 to 1.97)	0.976	1.39 (0.83 to 2.33)	0.205
Number of medications 0–4	1.44 (0.82 to 2.54)	0.201	1.25 (0.67 to 2.32)	0.478
PCI during hospitalisation at index event	0.37 (0.25 to 0.54)	<0.001	0.44 (0.23 to 0.86)	0.016
PCI	0.48 (0.24 to 0.96)	0.038	1.12 (0.57 to 2.22)	0.735
Prior stroke	2.08 (0.78 to 5.53)	0.144	1.01 (0.39 to 2.58)	0.986
Prior cardiac surgery	0.57 (0.34 to 0.93)	0.026	0.67 (0.41 to 1.10)	0.113
STEMI	1.52 (0.72 to 3.19)	0.268	0.93 (0.41 to 2.14)	0.869
Year
2006	1.07 (0.19 to 6.13)	0.943	2.07 (0.34 to 12.8)	0.433
2007	2.10 (1.03 to 4.31)	0.042	1.89 (0.96 to 3.74)	0.067
2008	1.72 (0.78 to 3.78)	0.176	1.67 (0.67 to 4.15)	0.270
2009	Reference year		Reference year

Patients with two 1-year follow-up registrations, n=210.
OR with 95% CI from GEE logistic regression of the probability of readmission.
Reference for number of medications was ≥5.
p Value <0.05 for statistical significance [in bold].
GEE, generalised estimating equations; PCI, percutaneous coronary intervention; STEMI, ST-elevation myocardial infarction.