Categories | Number | HR (95%) | P value |
PTAS group | |||
Anterior circulation vs posterior circulation | 29/217 (13.36%) vs 25/183 (13.66%) | 1.04 (0.61 to 1.78) | 0.87 |
MCA vs VA | 13/157 (8.28%) vs 8/84 (4.76%) | 0.87 (0.35 to 2.12) | 0.75 |
MCA vs BA | 13/157 (8.28%) vs 17/99 (17.17%) | 2.17 (1.04 to 4.55) | 0.03 |
MCA vs ICA | 13/157 (8.28%) vs 16/60 (26.67%) | 3.41 (1.49 to 7.77) | <0.001 |
VA vs BA | 8/84 (4.76%) vs 17/99 (17.17%) | 1.88 (0.86 to 4.12) | 0.13 |
VA vs ICA | 8/84 (4.76%) vs 16/60 (26.67%) | 2.97 (1.31 to 6.70) | 0.008 |
BA vs ICA | 17/99 (17.17%) vs 16/60 (26.67%) | 1.53 (0.76 to 3.09) | 0.22 |
Medical group | |||
Anterior circulation vs posterior circulation | 29/250 (11.60%) vs 14/159 (8.81%) | 0.75 (0.40 to 1.38) | 0.37 |
MCA vs VA | 18/184 (9.78%) vs 6/56 (10.71%) | 1.10 (0.43 to 2.83) | 0.84 |
MCA vs BA | 18/184 (9.78%) vs 8/103 (7.77%) | 0.79 (0.35 to 1.75) | 0.57 |
MCA vs ICA | 18/184 (9.78%) vs 11/66 (16.67%) | 1.79 (0.78 to 4.13) | 0.12 |
VA vs BA | 6/56 (10.71%) vs 8/103 (7.77%) | 0.72 (0.24 to 2.15) | 0.53 |
VA vs ICA | 6/56 (10.71%) vs 11/66 (16.67%) | 1.64 (0.63 to 4.24) | 0.33 |
BA vs ICA | 8/103 (7.77%) vs 11/66 (16.67%) | 2.26 (0.89 to 5.71) | 0.07 |
Data are n (%), or median (IQR).
Boldface values indicate statistically significant differences.
BA, basilar artery; ICA, internal carotid artery; MCA, middle cerebral artery; PTAS, percutaneous transluminal angioplasty and stenting; VA, vertebral artery.