Period I | Period II | ||||||
---|---|---|---|---|---|---|---|
All | Observed (%) | All | Observed (%) | ||||
Number of patients | 505 | 47 (9.3) | 504 | 40 (7.9) | |||
Stents (%) | 57 (11.2) | 19 (33.3) | 130 (25.8) | 22 (16.9) | |||
Elective | 30 | 4 (13.3) | 58 | 4 (6.9) | |||
Unsatisfactory result | 15 | 6 (40.0) | 48 | 8 (16.6) | |||
“Bail out” | 12 | 9 (75.0) | 24 | 10 (41.6) |