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Clinical characteristics of the patients treated in the ISAT*
| No. of Patients (%)* |
||
|---|---|---|
| Parameter | Endovascular Group | Neurosurgical Group |
| no. of patients | 1073 | 1070 |
| WFNS Grades I III | 1009 (94) | 1006 (94) |
| male sex | 400 (37) | 399 (37) |
| median age in yrs (range) | 52 (18–87) | 52 (18–84) |
Based on the studies by Mandelblatt, Molyneux (2002), and their colleagues.
