Table 3. Hazard ratio of hospitalization for heart failure in 0 to 30 days compared with 31 to 360 days.

	HR	95% CI	P value
Total	1.91	1.63-2.22	<0.001
Pioglitazone	1.85	1.34-2.53	0.001
Sitagliptin	2.00	1.60-2.49	<0.001
Vildagliptin	1.79	1.32-2.41	0.001

HR, hazard ratio; CI, confidence interval.