Table 3. Hazard ratios (HR) of disease-free survival for three groups according to predicted risk probability.

Risk Group	Estimated 1 year survival	Estimated 2 year survival	No. of Patients (%)	Event (%)	Disease Free Survival
					HR	95% CI	p-value
Low	0.955	0.929	35 (33.3)	3 (10)	1		0.002
Intermediate	0.874	0.805	35 (33.3)	8 (28)	2.94	(0.78,11.18)	0.11
High	0.712	0.578	35 (33.3)	18 (62)	7.42	(2.18,25.23)	0.001