Table 4.
Comparison of the New and Previous Staging Systems Using cTnT and NT-ProBNP
| New Stage | Previous Stage I |
Previous Stage II |
Previous Stage III |
||||||
|---|---|---|---|---|---|---|---|---|---|
| No. of Patients | Median OS | 95% CI | No. of Patients | Median OS | 95% CI | No. of Patients | Median OS | 95% CI | |
| Entire group | — | 86 | 60 to 106 | — | 43 | 31 to 69 | — | 7.3 | 6 to 11 |
| I | 112 | 93.6 | 60 to 154 | 77 | 97.7 | 43 to NR | — | 0 | |
| II | 47 | 61.6 | 44 to 124 | 130 | 29.4 | 18 to 77 | 29 | 11.5 | 4 to 40 |
| III | — | 0 | 64 | 26.8 | 11 to 45 | 122 | 13.2 | 9 to 15 | |
| IV | — | 0 | — | 0 | 176 | 6 | 5 to 7 | ||
Abbreviations: cTnT, cardiac troponin T; NR, not reached; NT-proBNP, N-terminal pro–B-type natriuretic peptide; OS, overall survival.