Table 4. Overall survival and event-free survival probabilities of patients with tumor stage I-IV.

Survival outcomes	Time periods			P-value
	3y (%)	5y (%)	10y (%)
Event-free survival				<0.00001
Total population	55	49	41
Stage I	89	83	68
Stage II	82	73	65
Stage III	40	34	28
Stage IV	1	0	0
Overall survival
Total population	64	56	47
Stage I	97	92	76	<0.00001
Stage II	90	82	73
Stage III	50	40	31
Stage IV	8	5	4