Table 4.

Kaplan-Meier (KM) test on II/I, III/II, and IV/III in ML-groups and TNM AJCC groups.

PFS AJCC staging	Number	Events	Events/number (%)	5 years surv	P value∗
AutoML-based system
I	123	4	3.25	0.964	—	—
II	237	26	10.97	0.891	0.011	II/I
III	168	34	20.24	0.788	0.010	III/II
IV	264	99	37.50	0.608	<0.001	IV/III
TNM-based system
I	73	5	6.85	0.927	—	—
II	175	24	13.71	0.860	0.118	II/I
III	303	58	19.14	0.803	0.121	III/II
IV	241	76	31.54	0.670	<0.001	IV/III

^∗ P values as KM way to compare cure II/I, III/II, IV/III.