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Table 4 Comparison of radiological outcomes from the aspect of necrotic region repair between Group A and B

From: A comparative study of cortico-cancellous iliac bone graft with or without the combination of vascularized greater trochanter flap for the management of femoral head osteonecrosis: a minimum 6 years follow-up

Postoperative necrotic

region repair

Group A

Group B

P

Improved

19

23

0.020

Stabilized

38

14

Aggravated

27

14