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Table 1: Clinical and radiographic characteristics of the study population
Characteristics Test Set (No.) (%) Training Set (No.) (%)
Sex 
    Male 12 (40) 5 (75)
    Female 18 (60) 15 (25)
Age (yr) 
    45 or younger 7 (23) 5 (25)
    46–60 16 (53) 11 (55)
    Older than 60 7 (23) 4 (20)
IVH 
    Yes 16 (53) 4 (20)
    No 14 (47) 16 (80)
ICH 
    Yes 19 (63) 12 (60)
    No 11 (37) 8 (40)
MCA location 
    Left 14 (47) 18 (10)
    Right 16 (53) 2 (90)
WFNS at admission 
    Grade I 11 (37) 9 (45)
    Grade II 2 (7) 2 (10)
    Grade III 2 (7) 4 (20)
    Grade IV 8 (27) 3 (15)
    Grade V 7 (23) 2 (10)
History of hypertension 
    Yes 3 (10) 7 (35)
    No 22 (73) 13 (65)
Aneurysm size 
    ≤5 mm 9 (30) 6 (30)
    6–10 mm 14 (47) 12 (60)
    11–15 mm 3 (10) 2 (10)
    >15 mm 3 (10) –
Signs of DCI 
    No 21 (70) 19 (95)
    Yes 9 (30) 1 (5)
        Paresis 1 (3) 1 (5)
        Decreased consciousness 4 (13) –
        Hemiparesis and aphasia 3 (10) –
        Vasospasm 1 (3) –
Note:—IVH indicates intraventricular hemorrhage; ICH, intracerebral hemorrhage; DCI, delayed cerebral ischemia; WFNS, World Federation of Neurosurgical Societies.