Table 4. Results from the PH model.

Covariate	HR a	Lower 95%-CI	Upper 95%-CI	p-value
Transition 0→1
Age	1.003	0.992	1.014	0.579
Residual tumor	1.991	1.551	2.555	<0.001
FIGO iii/iv	4.146	2.691	6.389	<0.001
Transition 0→2
Age	1.054	1.014	1.096	0.008
Residual tumor	1.578	0.544	4.579	0.401
FIGO iii/iv	1.042	0.355	3.061	0.941
Transition 1→2
Age	1.015	1.003	1.027	0.015
Residual tumor	1.680	1.259	2.243	<0.001
FIGO iii/iv	0.712	0.442	1.145	0.161
Time to progression	0.972	0.960	0.984	<0.001
Progression	571.406	37.332	8745.913	<0.001

^aHazard ratio