Table 4. Rates for warfarin use at discharge in patients with heart failure and atrial fibrillation.

Country	Unadjusted Rate (%)	Risk-Adjusted Rate* (%)	OR (95% CI)	P Value
Mexico	60.0	48.6	2.34 (1.2–4.59)	0.0132
Australia	59.4	65.2	3.74 (2.24–6.27)	<0.0001
Hong Kong	43.0	52.5	1.99 (1.28–3.10)	<0.0021
Indonesia	36.2	34.3	0.88 (0.37–2.06)	0.76
Malaysia	50.8	52.9	2.08 (1.31–3.30)	0.0018
Philippines	30.3	25.5	0.52 (0.33–0.84)	<0.0076
Singapore	30.2	35.8	1.01 (0.64–1.59)	0.96
Taiwan	18.3	25.1	0.62 (0.36–1.04)	0.0721
Thailand	49.4	49.4	1.93 (1.18–3.15)	0.0086
Brazil	34.4	37.5	Reference	--

^*Adjusted for age, coronary artery disease, pacemaker, and creatinine levels.

CI indicates confidence interval; OR, odds ratio.