Table 6. Results of the reduced PH model.

Covariate	HR a	Lower 95%-CI	Upper 95%-CI	p-value
Transition 0→1
Residual tumor	1.807	1.507	2.167	<0.001
FIGO iii/iv	4.404	2.889	6.713	<0.001
Transition 0→2
Age	1.054	1.014	1.096	0.008
Residual tumor	1.807	1.507	2.167	<0.001
Transition 1→2
Age	1.014	1.002	1.026	0.023
Residual tumor	1.807	1.507	2.167	<0.001
Time to progression	0.973	0.961	0.985	<0.001
Progression	421.312	30.707	5780.573	<0.001

^aHazard ratio