Location and angioarchitecture characteristics of developmental venous anomalies
| Total(n = 58) | Complicated DVA(n = 21) (36.2%) | Uncomplicated DVA (n = 37) (63.2%) | P Valuea | |
|---|---|---|---|---|
| Location (%) | .44 | |||
| Frontal | 24 (41.4) | 9 (42.9) | 15 (40.5) | |
| Parieto-occipital | 16 (27.7) | 6 (28.6) | 10 (27) | |
| Temporal | 8 (13.8) | 3 (14.3) | 5 (13.5) | |
| Basal ganglia/thalami | 5 (8.6) | 0 (0) | 5 (13.5) | |
| Brain stem | 2 (3.4) | 1 (4.8) | 1 (2.7) | |
| Cerebellum | 3 (5.2) | 2 (9.5) | 1 (2.7) | |
| Infratentorial (%) | 5 (8.6) | 3 (14.3) | 2 (5.4) | .34 |
| Right side (%) | 33 (56.9) | 13 (61.9) | 20 (54.1) | .59 |
| Multiple collectors (%) | 9 (15.5) | 7 (33.3) | 2 (5.4) | .008b |
| Main collector caliber (median) (IQR) (mm) | 1.6 (1.18–2.10) | 2.1 (1.95–2.30) | 1.2 (1–1.6) | <.001b |
| Drainage (%) | .70 | |||
| Deep | 31 (53.4) | 11 (52.4) | 20 (54.1) | |
| Superficial | 19 (32.8) | 6 (28.6) | 13 (35.1) | |
| Both | 8 (13.8) | 4 (19) | 4 (10.8) |
Note:—IQR indicates interquartile range.
↵a P values for group comparisons were determined by χ2 or Fisher exact tests for categoric variables or by Mann-Whitney U tests for continuous variables, as appropriate.
↵b Value statistically significant (statistical significance was set at P < .0083 after Bonferroni correction for multiple comparisons).