Table 4. Comparison of risk of hospitalization for heart failure among drugs.
| Period | Drugs | HR | 95% CI | P value |
|---|---|---|---|---|
| 0-360, day | Pioglitazone | 1 | ||
| Sitagliptin | 0.97 | 0.80-1.16 | 0.715 | |
| Vildagliptin | 1.22 | 0.99-1.50 | 0.066 | |
| 0-30, day | Pioglitazone | 1 | ||
| Sitagliptin | 1.02 | 0.69-1.49 | 0.931 | |
| Vildagliptin | 1.19 | 0.77-1.84 | 0.441 | |
| 31-360, day | Pioglitazone | 1 | ||
| Sitagliptin | 0.95 | 0.77-1.18 | 0.643 | |
| Vildagliptin | 1.22 | 0.97-1.55 | 0.094 |
Adjusted for age and sex.
HR, hazard ratio; CI, confidence interval.