Table 5 Annual malignant transformation rate (Kaplan-Meier estimates) of the current study
Time (years) | Transformation rate | Standard error | 95% confidence interval |
|---|---|---|---|
1 | 0.0119 | 0.0015 | 0.0093-0.0154 |
2 | 0.0232 | 0.0022 | 0.0192-0.0279 |
3 | 0.0290 | 0.0025 | 0.0244-0.0343 |
4 | 0.0385 | 0.0030 | 0.0329-0.0449 |
5 | 0.0461 | 0.0034 | 0.0398-0.0534 |
6 | 0.0543 | 0.0039 | 0.0471-0.0624 |
7 | 0.0594 | 0.0042 | 0.0517-0.0681 |
8 | 0.0615 | 0.0044 | 0.0535-0.0706 |
9 | 0.0669 | 0.0050 | 0.0578-0.0773 |
10 | 0.0689 | 0.0053 | 0.0592-0.0802 |