Table 1.
Demographics and baseline clinical characteristics of coiling and clipping.
| Variable | Coiling | Clipping | P-valueb |
|---|---|---|---|
| (n=281) | (n=361) | ||
| Age (mean±SD) | 55.60±15.21 | 56.90±13.36 | 0.26 |
| Gender | 0.10 | ||
| Male | 111 (39.5) | 120 (33.2) | |
| Female | 170 (60.5) | 241 (66.8) | |
| H&H Grade a | 0.10 | ||
| Grade 1 | 156 (56.3) | 171 (48.7) | |
| Grade 2 | 24 (8.7) | 42 (12.0) | |
| Grade 3 | 14 (5.1) | 24 (6.8) | |
| Grade 4 | 40 (14.4) | 70 (20.0) | |
| Grade 5 | 43 (15.5) | 44 (12.5) | |
| Number of target aneurysms detected | 0.09 | ||
| 1 | 222 (80.4) | 290 (80.8) | |
| 2 | 42 (15.2) | 63 (17.5) | |
| 3 | 11 (4.0) | 4 (1.1) | |
| 4 | 1 (0.4) | 1 (0.3) | |
| 5 | 0 (0.0) | 1 (0.3) | |
| Maximum target aneurysm lumen size (mm) | <0.01* | ||
| < 5 | 80 (31.0) | 138 (42.1) | |
| ≧ 5 | 178 (69.0) | 190 (57.9) | |
|
a
Hunt and Hess grading system b The comparisons between two treatments were conducted by Student's t-test for continuous variables, and Chi-square test or Fisher's exact test for categorical variables. *P<0.05, as shown a significant difference between the two groups. | |||