Table 5. Five-year case fatality rates by subsite among 369 patients with recurrent LSCC.
| No. at risk | No. of deaths | Overall | Glottic | Supraglottic | Subglottic | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % | 95% CI | % | 95% CI | % | 95% CI | % | 95% CI | |||||||
| OS | ||||||||||||||
| Total | 369 | 284 | 34.0 | 29.0 | 38.9 | 39.5 | 33.2 | 45.8 | 21.3 | 14.1 | 29.6 | 41.7 | 15.3 | 66.5 |
| Local | 275 | 200 | 42.2 | 36.2 | 48.1 | 45.2 | 38.0 | 52.1 | 31.3 | 20.3 | 42.8 | 62.5 | 22.9 | 86.1 |
| Regional | 63 | 54 | 14.0 | 6.6 | 24.2 | 19.5 | 7.6 | 35.5 | 10.0 | 2.6 | 23.6 | - | - | - |
| Distant | 31 | 30 | - | - | - | - | - | - | - | - | - | - | - | - |
| DSS | ||||||||||||||
| Total | 369 | 161 | 52.2 | 46.5 | 57.5 | 60.4 | 53.4 | 66.7 | 34.7 | 25.3 | 44.2 | 55.6 | 23.1 | 79.0 |
| Local | 275 | 94 | 62.2 | 56.0 | 68.0 | 67.5 | 60.0 | 74.0 | 46.4 | 33.2 | 58.6 | 72.9 | 27.6 | 92.5 |
| Regional | 63 | 44 | 25.7 | 14.0 | 38.0 | 32.2 | 15.0 | 51.0 | 22.2 | 9.2 | 38.7 | - | - | - |
| Distant | 31 | 23 | - | - | - | - | - | - | - | - | - | - | - | - |