Time

6 mon

12 mon

18 mon

24 mon

Low risk

75% (3/4)

100% (4/4)

100% (4/4)

100% (4/4)

Intermediate/High risk

44% (11/25)

83.3% (20/25)

73.3% (11/15)

86.7% (13/15)

P

0.249

0.378

0.245

0.44