Table 3b. Multivariable analysis for recurrence; association of CIS, substaging, tumour size, tumour pattern, lymphovascular invasion and gender with time to recurrence.
| Hazard ratio and 95% CI | P | |
|---|---|---|
| Substaging (T1a) | 0.64 (0.37, 1.14) | 0.13 |
| CIS (No) | 0.68 (0.38, 1.21) | 0.19 |
| Size (<3 cm) | 0.59 (0.34, 1.01) | 0.06 |
| Pattern (papillary) | 1.12 (0.53, 2.37) | 0.78 |
| Lymphovascular invasion (yes) | 2.16 (0.71, 6.59) | 0.18 |
| Gender (male) | 0.81 (0.36, 1.81) | 0.60 |
| Age (<70 years) | 0.50 (0.29, 0.87) | 0.01 |
Abbreviations: CI=confidence interval; CIS=carcinoma in situ. P<0.05 represent statistically significant values (shown in bold).