Table 1. Angle α, δ1 and δ2 before and after stent-assisted coiling.
| Location of the Angle | Prestenting Angle | Post-Stent-Coiling Angle | ||||
|---|---|---|---|---|---|---|
| α | δ1 | δ2 | α | δ1 | δ2 | |
| Total | 119.2±6.5 | 129.0±6.4 | 115.0±8.4 | 130.1±6.6 | 139.0±6.1 | 126.2±7.5 |
| (n = 37) | (n = 37) | (n = 32) | *** | *** | ** | |
| Sidewall | 134.8±12.2 | 145.4±10.8 | 128.7±14.3 | 142.0±12.5 | 153.8±10.5 | 134.2±14.2 |
| (n = 13) | (n = 13) | (n = 10) | * | ** | ns | |
| Bifurcation | 110.8±7.2 | 111.6±7.0 | 109.7±10.3 | 123.6±7.5 | 131.4±7.2 | 123.0±8.9 |
| (n = 24) | (n = 24) | (n = 22) | ** | *** | * | |
| AcomA | 115.8±10.6 | 124.4±9.6 | 126.2±14.4 | 138.5±10.4 | 150.8±9.9 | 145.4±14.5 |
| Bifurcation | (n = 11) | (n = 11) | (n = 10) | * | ** | ** |
| MCA | 141.6±11.6 | 117.6±16.3 | 118.8±18.4 | 148.0±11.9 | 135.4±16.4 | 122.2±11.9 |
| Bifurcation | (n = 5) | (n = 5) | (n = 4) | ns | ns | ns |
| BA | 84.6±6.5 | 90.3±10.4 | 74.8±12.7 | 87.8±2.9 | 102.3±5.6 | 88.9±7.1 |
| Bifurcation | (n = 8) | (n = 8) | (n = 8) | ns | ns | ns |
The p-value applies to the prestenting angle versus the respective post-stent-coiling angle (ns: P>.05, *: P ≤ .05, **: P ≤ .01, ***: P ≤ .001). Prestenting angles have the same number (n) of angle values as post-stent-coiling angles (table shows mean ± SEM).