Angiographic follow-up
| A. | |||
|---|---|---|---|
| Class IIIa | Class IIIb | p Value | |
| Improved to Class I or II | 83.34% (60) | 14.89% (7) | <0.001 |
| Remained Class III | 16.67% (12) | 85.11% (40) | <0.001 |
| B. | ||||
|---|---|---|---|---|
| Class I | Class II | Class IIIa | p Value | |
| Improved to Class I | – | 16.90% (12) | 52.78% (38) | <0.001 |
| Worsened to or remained Class III | 3.28% (2) | 8.45% (6) | 16.67% (12) | <0.001 |