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. 2012 Aug 24;1(4):e002865. doi: 10.1161/JAHA.112.002865

Table 2.

Hunt and Hess Grades

Hunt and Hess Grades Endovascular Therapy, n (%) Surgical Clipping, n (%) Total, n (%)
I 21 (23.1) 19 (31.7) 40 (26.5)
II 6 (6.6) 7 (11.6) 13 (8.6)
III 41 (45.1) 19 (31.7) 60 (39.7)
IV 22 (24.1) 13 (21.7) 35 (23.2)
V 1 (1.1) 2 (3.3) 3 (2.0)
Total 91 (100) 60 (100) 151 (100)