Number of available patients or (procedures) in each follow-up time point
| Group 1 (%) | Group 2 (%) | Group 3 (%)* | All Groups (%)* | |
|---|---|---|---|---|
| 1 Week | 306 (93) | 208 (92) | 222 (94) | 736 (93) |
| 1 Month | 262 (80) | 177 (78) | 188 (79) | 627 (79) |
| 6 Months | 224 (68) | 158 (70) | 175 (74) | 557 (70) |
| 1 Year | 197 (60)† | 112 (50) | 109 (46)† | 418 (53) |
| 2 Years | 73 (22) | 73 (32) | 61 (26) | 207 (26) |
* Number of procedures.
† Number of available patients is significantly different.