Outcome

CT

AG(HA)

p value

Operation time (min)

45.3(19.5)

53.1(12.5)

< 0.001

Bleeding during Operation (g)

62.9(74.5)

48.7(37.6)

0.468

Tip-apex distance (TAD) (mm)

12.0(3.6)

13.9(10.4)

0.858

Postoperative telescoping (mm)

2.20(1.70)

1.37(1.93)

0.009