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 the position of the lesions and the collateral circulation between the two groups.
| Group | n | The position of the lesions | The collateral circulation | ||||
|---|---|---|---|---|---|---|---|
| LAD | LCX | RCA | LM | Yes | No | ||
| Young group | 84 | 53 (63.10) | 13 (15.47) | 11 (13.10) | 7 (8.33) | 28 (33.33) | 56 (66.67) |
| Elderly group | 66 | 38 (57.58) | 16 (24.24) | 10 (15.15) | 2 (3.03) | 54 (81.82) | 12 (18.18) |
| t | — | 0.472 | 0.003 | 0.130 | 1.843 | 35.059 | |
| P | — | 0.492 | 0.956 | 0.719 | 0.175 | ≤0.001 | |
