At the end of the procedure, which lasted 3 hours and 45 minutes, the T4/T1 ratio was 0.75.
Al final del procedimiento de 3 horas y 45 minutos, la relación T4/T1 era de 0,75.
Ao fim do procedimento de 3 horas e 45 minutos, a relação T4/T1 era de 0,75.