Table 1 Unruptured AVM patient demographics and clinical characteristics. * = significant correlation
Patient Characteristics | All, N = 76 | No Headache, N = 53 | Headache, N = 23 | P-value |
|---|---|---|---|---|
Age at Diagnosis, Mean (SD) | 41.33 (18.36) | 43.26 (19.23) | 36.87 (15.68) | 0.17 |
Race, n (%) | 0.79 | |||
White | 43 (57) | 30 (57) | 13 (57) | |
Black | 15 (20) | 11 (21) | 4 (17) | |
Hispanic | 13 (17) | 10 (19) | 3 (13) | |
Asian | 2 (3) | 2 (4) | 0 (0) | |
Other | 1 (1) | 0 (0) | 1 (4) | |
Unknown | 2 (3) | 0 (0) | 2 (9) | |
Gender-Male, n (%) | 42 (55) | 32 (60) | 10 (43) | 0.17 |
AVM Characteristics | ||||
Eloquent Area, n (%) | 42 (55) | 30 (57) | 12 (52) | 0.72 |
Deep Venous Drainage, n (%) | 27 (36) | 18 (34) | 9 (39) | 0.67 |
Nidal Aneurysm, n (%) | 4 (5) | 3 (6) | 1 (5) | 1.00 |
Venous Stenosis, n (%) | 22 (29) | 19 (36) | 3 (13) | *0.044 |
Venous Ectasia, n (%) | 13 (17) | 10 (19) | 3 (13) | 0.54 |
Diffuse Nidus, n (%) | 7 (9) | 3 (6) | 4 (17) | 0.10 |
AVM Laterality, n (%) | 0.51 | |||
Left-Sided | 39 (51) | 26 (49) | 13 (57) | |
Right-Sided | 33 (43) | 23 (43) | 10 (43) | |
Bilateral | 4 (5) | 4 (8) | 0 (0) | |
AVM Size, n (%) | 0.45 | |||
Sm Size < 3 | 48 (63) | 31 (58) | 17 (74) | |
Sm Size 3–6 | 24 (32) | 19 (36) | 5 (22) | |
Sm Size > 6 | 4 (5) | 3 (6) | 1 (4) | |
AVM Location, n (%) | 0.62 | |||
Cerebellar | 7 (10) | 3 (7) | 4 (18) | |
Deep | 6 (9) | 4 (9) | 2 (9) | |
Frontal | 20 (30) | 14 (31) | 6 (27) | |
Temporal | 17 (25) | 13 (29) | 4 (18) | |
Parieto-Occipital | 17 (25) | 11 (24) | 6 (27) | |
Spetzler-Martin (SM) Grade, n (%) | 0.91 | |||
SM Grade 1 | 19 (25) | 13 (25) | 6 (26) | |
SM Grade 2 | 21 (28) | 14 (26) | 7 (30) | |
SM Grade 3 | 30 (39) | 21 (40) | 9 (39) | |
SM Grade 4 | 4 (5) | 3 (6) | 1 (4) | |
SM Grade 5 | 2 (3) | 2 (4) | 0 (0) | |