Item

n

excellent

good

fair

poor

Excellent rate

PLA group

50

6 months after operation

13 (26.00)

25 (50.00)

9 (18.00)

1 (2.00)

38 (76.00)

12 months after operation

21 (42.00)

26 (52.00)

2 (4.00)

1 (2.00)

47 (94.00)

DAA group

50

6 months after operation

17 (34.00)

29 (58.00)

2 (4.00)

0

46 (92.00)

12 months after operation

26 (52.00)

22 (44.00)

1 (2.00)

0

48 (96.00)