Time Interval (Years)

p-value

Hazard Ratio

95% Confidence Interval

0 - 2

<0.0001

3.725

2.034

6.823

2 - 4

0.0023

2.051

1.292

3.254

4 - 6

0.5513

1.191

0.670

2.119

6 - 8

0.9504

1.021

0.524

1.989

>8

0.9631

0.989

0.611

1.600