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The observed proportion of patients with their second event treated with curative intent related to the number of risk factors, relating to the first primary OSCC (radiotherapy, pN2, pT4, ASA3/4, invasion depth >4 mm)
| Number of risk factors | Number of patients | Observed % curative intent | (95% CI) |
|---|---|---|---|
| 0 | 27 | 96% | 81%‐100% |
| 1 | 30 | 97% | 83%‐100% |
| 2 | 39 | 62% | 45%‐77% |
| 3 | 38 | 26% | 13%‐43% |
| 4 | 12 | 0% | 0%‐26%a |
| Missing information on one or more risk factors | 31 | 42% | 25%‐61% |
One‐sided, 97.5% confidence interval.
