Table 1 The stenosis relapsed during follow-up
Recurrence (months) | Blade (n = 61) | Laser (n = 52) | P value |
|---|---|---|---|
n (%) | n (%) | ||
1st | 8 (13) | 16 (27) | 0.16 |
3rd | 4 (7) | 6 (10) | 0.68 |
6th | – | – | |
12th | – | – | |
24th | – | – | |
Operating time (min) | 18 ± 2.3 | 35 ± 3.5 | < 0.001 |
Recurrence (months) | Blade (n = 61) | Laser (n = 52) | P value |
|---|---|---|---|
n (%) | n (%) | ||
1st | 8 (13) | 16 (27) | 0.16 |
3rd | 4 (7) | 6 (10) | 0.68 |
6th | – | – | |
12th | – | – | |
24th | – | – | |
Operating time (min) | 18 ± 2.3 | 35 ± 3.5 | < 0.001 |