Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Comparison of J-chronic total occlusion (CTO) score and percutaneous coronary intervention success rate between the first block (case 1–200) and the second block (case 201–526).
| First block (1–200) | Second block (201–526) | P | |
|---|---|---|---|
| J-CTO score | 1.15 ± 0.95 | 1.4 ± 1.2 | 0.01 |
| J-CTO ≥ 3 | 16 (8%) | 67 (20.6%) | < 0.001 |
| Success rate | 146 (73%) | 272 (83.4%) | 0.004 |
Data are mean ± standard deviation or number (percentage).
