Table 4. Performance of equations for the first and second events in training and test subsamples.
| Training sample | Test sample | ||||
| C statistics (95% CI) | HL X2 a (P-value) | C statistics (95% CI) | HL X2 (P-value) | ||
| AMI | First event | 0.78 (0.76–0.79) | 7.30 (0.51) | 0.79 (0.77–0.82) | 16.33 (0.04) |
| Second event | 0.76 (0.74–0.79) | 8.77 (0.36) | 0.79 (0.74–0.84) | 12.04 (0.15) | |
| HF | First event | 0.84 (0.82–0.85) | 9.58 (0.30) | 0.84 (0.82–0.86) | 12.31 (0.14) |
| Second event | 0.84 (0.83–0.85) | 6.11 (0.64) | 0.84 (0.82–0.85) | 22.67 (<0.01) | |
| Stroke | First event | 0.80 (0.78–0.82) | 11.22 (0.19) | 0.79 (0.76–0.82) | 11.61 (0.17) |
| Second event | 0.74 (0.71–0.77) | 8.09 (0.43) | 0.70 (0.64–0.75) | 9.99 (0.27) | |
| NAIHD | First event | 0.76 (0.74–0.78) | 6.02 (0.65) | 0.75 (0.72–0.78) | 5.86 (0.66) |
| Second event | 0.78 (0.77–0.80) | 3.76 (0.88) | 0.77 (0.74–0.80) | 14.07 (0.08) | |
Abbreviations: NAIHD, non-acute ischaemic heart disease; HF, heart failure; AMI, acute myocardial infarction.
a
. Hosmer-Lemeshow X2 statistics.