Table 4: Comparison of the Frankel results of the two groups.

Frankel grade of Wiltse group

Preoperative

Postoperative (12 months)

 

Total

A

B

C

D

E

A

3

0

       

B

5

 

2

     

C

5

   

3

   

D

11

     

6

 

E

28

       

41

Total

52

0

2

3

6

41

Frankel grade of Traditional group

Preoperative

 

Postoperative (12 months)

 

Total

A

B

C

D

E

A

2

0

       

B

2

 

0

     

C

13

   

2

   

D

13

     

9

 

E

21

       

40

Total

51

0

0

2

9

40