Abstract 942 Table 1

Multivariable Cox regression model for prediction of disease-specific death after recurrence

Predictor		B	SE(β)	HR	95% CI	P-value	Points (max. 100)

Years from surgery to recurrence	> 1 year			Reference			0
	< 1 year	0.516	0.132	1.676	1.294–2.169	< 0.001	11
Age at recurrence	< 65 years			Reference			0
	65+ years	0.543	0.187	1.720	1.192–2.482	0.004	12
Maximal pathologic tumour diameter*	< 0.5 cm			Reference			0
	0.5–1.9 cm	0.947	0.602	2.577	0.792–8.380	0.116	20
	2.0–3.9 cm	1.269	0.593	3.557	1.113–11.374	0.032	27
	≥ 4.0 cm	1.481	0.598	4.397	1.363–14.184	0.013	31
LVSI*	No/unknown			Reference			0
	Yes	0.672	0.148	1.957	1.463–2.619	< 0.001	14
Recurrence symptoms	No			Reference			0
	Yes/unknown	0.788	0.151	2.199	1.634–2.958	< 0.001	17
Recurrence localization	Isolated			Reference			0
	Multiple	0.687	0.135	1.987	1.526–2.587	< 0.001	15