The cumulative survival curves were constructed with the use of the Kaplan-Meier method and groups were compared with the Log rank test.
Las curvas de sobrevida acumulativa fueron construidas con el método de Kaplan-Meier y los grupos fueron comparados a través del test de log rank.
As curvas de sobrevida cumulativa foram construídas com o método de Kaplan-Meier e os grupos foram comparados através do teste de log rank.