Maze Ⅲ (4 cases) Kosakai’ s Maze (2 cases) Kosakai’ s Maze (2 cases) Cryo Maze (21 cases) Maze Ⅳ (4 cases) LA Maze (3 cases)
PV gap (n) 2 1 9 9 2 3
AF or PV gap repeated AT (n) 2* 1** 6** 6** 1** 1**