Patient visits and types of intervention
| Total visits | n=916 | |
| Visits resulting in INT | n=123 | 13.43% of all visits |
| Types of INTs | n=138 | |
| Surgery | 47 | 38.2% of INTs |
| Catheter-based | 54 | 43.9% of INT |
| Medical therapy | 32 | 26% of INTs |
| Activity restriction | 5 | 4% of INTs |
INT, intervention