Table 2.
Category-less Net Reclassification Improvement (NRI) and Integrated Discrimination Index (IDI) with the addition of subclinical atherosclerotic cardiovascular disease (ASCVD) markers to the Revised Framingham Stroke Risk Score (FSRS) for incident stroke.
| N | Revised FSRS > Revised FSRS + Marker (Downward) |
Revised FSRS < Revised FSRS + Marker (Upward) |
NRI | Total NRI | Absolute IDI |
|
|---|---|---|---|---|---|---|
|
| ||||||
| Revised FSRS + CAC | ||||||
| Event | 231 | 98 | 133 | 0.15 | 0.36 | 0.0028 |
| Non-Event | 6481 | 3928 | 2553 | 0.21 | ||
|
| ||||||
| Revised FSRS + CIMT | ||||||
| Event | 231 | 127 | 104 | −0.10 | 0.22 | 0.0013 |
| Non-Event | 6481 | 3996 | 2485 | 0.23 | ||
|
| ||||||
| Revised FSRS + CRP | ||||||
| Event | 231 | 110 | 121 | 0.05 | 0.25 | 0.0020 |
| Non -Event | 6481 | 3881 | 2600 | 0.20 | ||
|
| ||||||
| Revised FSRS + ABI | ||||||
| Event | 231 | 131 | 100 | −0.13 | 0.05 | 0.0010 |
| Non-Event | 6481 | 3803 | 2678 | 0.17 | ||
|
| ||||||
| Revised FSRS + FH | ||||||
| Event | 231 | 141 | 90 | −0.22 | 0.13 | 0.0014 |
| Non-Event | 6481 | 4383 | 2098 | 0.35 | ||