Table 2:

Patient and aneurysm characteristics

All PatientsPatients Treated with PVOPatients Treated by Coiling
No. patients562630
No. men20 (36%)7 (27%)13 (43%)
Mean age (yr)56.755.857.5
Median age, range (yr)57.5, 10–8158.6, 10–7956.5, 38–81
Mean follow-up (mo)42.732.051.9
Median follow-up, range (mo)28.0, 0–17925.5, 0–12635.8, 0–179
Mean aneurysm size (mm)262626
Median aneurysm size, range (mm)25, 5–5525, 15–4026, 5–55
Anterior circulation aneurysms412021
    Cavernous sinus20182
    Superior hypophyseal artery514
    AcomA404
    MCA404
    Ophthalmic artery404
    PcomA202
    Carotid artery tip110
    ACA101
Posterior circulation aneurysms1569
    PICA633
    SCA413
    Basilar artery tip303
    Vertebral artery110
    Vertebral artery junction110