Treatment approaches and embolic materials employed prior to and after the year 2000. P-values compare between groups treated prior to and following the year 2000.
| Total No (%) | Prior to 2000 | After 2000 | P-value | |
|---|---|---|---|---|
| Total treatments | P=0.266 | |||
| 0 | 1 (2.4) | 1 (3.7) | 0 (0.0) | |
| 1 | 10 (24.4) | 7 (25.9) | 3 (21.4) | |
| 2 | 16 (39.0) | 7 (25.9) | 9 (64.3) | |
| 3 | 5 (12.2) | 3 (11.1) | 2 (14.3) | |
| 4 | 3 (7.3) | 3 (11.1) | 0 (0.0) | |
| 5 | 4 (9.8) | 4 (14.8) | 0 (0.0) | |
| 6 | 1 (2.4) | 1 (3.7) | 0 (0.0) | |
| 7 | 1 (2.4) | 1 (3.7) | 0 (0.0) | |
| Transarterial approach | P=0.902 | |||
| 0 | 5 (12.8) | 4 (15.4) | 1 (7.7) | |
| 1 | 22 (56.4) | 14 (53.8) | 8 (61.5) | |
| 2 | 8 (20.5) | 5 (19.2) | 3 (23.1) | |
| 3 | 3 (7.7) | 2 (7.7) | 1 (7.7) | |
| 4 | 1 (2.6) | 1 (3.8) | 0 (0.0) | |
| Transvenous approach | P=0.604 | |||
| 0 | 14 (38.9) | 9 (37.5) | 5 (41.7) | |
| 1 | 14 (38.9) | 8 (33.3) | 6 (50.0) | |
| 2 | 4 (11.1) | 3 (12.5) | 1 (8.3) | |
| 3 | 3 (8.3) | 3 (12.5) | 0 (0.0) | |
| 4 | 1 (2.8) | 1 (4.2) | 0 (0.0) | |
| Transtorcular approach | P=0.076 | |||
| 0 | 28 (77.8) | 16 (66.7) | 12 (100.0) | |
| 1 | 7 (19.4) | 7 (29.2) | 0 (0.0) | |
| 2 | 1 (2.8) | 1 (4.2) | 0 (0.0) | |
| Embolic agent | ||||
| Coils | 38 (92.6) | 25 (100.0) | 13 (100.0) | NA |
| Silk sutures | 8 (19.5) | 8 (38.1) | 0 (0.0) | P=0.014 |
| NBCA | 5 (12.2) | 2 (9.5) | 3 (25.0) | P=0.233 |
| PVA | 5 (12.2) | 5 (23.8) | 0 (0.0) | P=0.067 |
| Liquid coils | 1 (2.4) | 0 (0.0) | 1 (7.7) | P=0.197 |
| Platinum wire | 1 (2.4) | 1 (4.8) | 0 (0.0) | P=0.425 |
| mRS | P=0.913 | |||
| 0 | 8 (19.5) | 6 (24.0) | 2 (18.2) | |
| 1 | 5 (12.2) | 4 (16.0) | 1 (9.1) | |
| 2 | 5 (12.2) | 3 (12.0) | 2 (18.2) | |
| 3 | 2 (4.9) | 1 (4.0) | 1 (9.1) | |
| 4 | 2 (4.9) | 2 (8.0) | 0 (0.0) | |
| 5 | 5 (12.2) | 3 (12.0) | 2 (18.2) | |
| 6 | 9 (22.0) | 6 (24.0) | 3 (27.3) |
p Values for the comparison of groups treated before and after the year 2000.
mRS, modified Rankin Scale; NBCA, N-butyl cyanoacrylate; PVA, polyvinyl alcohol.