Table 3a. Univariate analysis for recurrence; association of tumour size and age at diagnosis with time to recurrence at 2 and 5 years (only showing variables with significant P-values).

	N	Recur	Recurrence free at 2 years	Recurrence free at 5 years	Hazard ratio and 95% CI	P
Tumour size						0.04
<3 cm	113	27	0.81 (0.72, 0.87)	0.76 (0.67, 0.83)	0.59 (0.35, 0.99)
>3 cm	86	30	0.72 (0.60, 0.80)	0.59 (0.46, 0.70)	1 (reference)
Age at dx						0.01
<70	96	20	0.85 (0.76, 0.91)	0.78 (0.67, 0.85)	0.50 (0.29, 0.86)
⩾70	103	37	0.70 (0.59, 0.78)	0.58 (0.47, 0.69)	1 (reference)

Abbreviation: CI=confidence interval. P<0.05 represent statistically significant values (shown in bold).