Table 1 Clinical and histological characteristics of all patients with vascular malformation (VM) and the subgroup of patients with capillary angiogenesis in VM.
| All patients with VM | Patients with VM with vascular proliferation | p Values | |
|---|---|---|---|
| n = 107 | n = 32 | ||
| Sex (M:F) | 58:49 (1.2:1) | 16:16 (1:1) | NS |
| Age (years) | 23 (0–67) | 25 (5–64) | NS |
| Localisation of VM, n (%) | |||
| Head and neck | 49 (46) | 13 (41) | NS |
| Trunk | 17 (16) | 3 (9) | NS |
| Upper extremities | 17 (16) | 6 (19) | NS |
| Lower extremities | 24 (22) | 10 (31) | NS |
| Histological type of VM, n (%) | |||
| AVM | 71 (66) | 30 (94) | p<0.001 |
| VVM | 21 (20) | 2 (6) | NS |
| LVM | 8 (7) | 0 | NS |
| aAVT | 7 (7) | 0 | NS |
AVM, arteriovenous malformation; aAVT, acral arteriovenous tumour; F, female; LVM, left ventriuclar mass; M, male; NS, statistically not significant; VM, vascular malformations; VVM, venous vascular malformation.