Table 3.

Multivariable logistic regression analysis of NOAF in UA patients.

Variables and intercept	β	β s	OR (95% CI)	P value
Intercept	−14.722		—	<0.001
Age	0.048	0.283	1.049 (1.013–1.087)	0.007
Left atrial diameter (mm)	0.085	0.501	1.089 (1.024–1.158)	0.007
Right atrial diameter (mm)	0.092	0.254	1.097 (1.036–1.161)	0.002
Heart failure at admission	1.388	0.380	4.008 (1.971–8.148)	<0.001
BNP (log10 transformed)	0.750	0.258	2.117(1.206–3.716)	0.009
PCI	−1.372	−0.371	0.254 (0.105–0.613)	0.002

NOAF, new-onset atrial fibrillation, UA, unstable angina; β, logistic regression coefficients; βs, standardized logistic regression coefficients; OR, odds ratio; CI, confidence interval; BNP, brain natriuretic peptide; PCI, percutaneous coronary intervention.