Group | Case (n) | Pre-operation | 3āmonths after surgery | 6āmonths after surgery | 12āmonths after surgery |
---|---|---|---|---|---|
Group M | 35 | 35 (100.0) | 2 (5.7)* | 2 (5.7)* | 3 (8.6)* |
Group N | 35 | 35 (100.0) | 3 (8.6)* | 3 (8.6)* | 5 (14.3)* |
Ļ2 | ā | ā | 0.000 | 0.000 | 0.141 |
Pa | ā | ā | 1.000 | 1.000 | 0.707 |