Table 2.

Ulcer aetiologies in numbers (percent in parentheses) in the study group and in the control group

	Study group n=117 (%)	Control group n=1784 (%)
Venous ulcer	23 (20%)	489 (27%)
Arterial ulcer	23 (20%)	120 (7%)
Venous-arterial ulcer	9 (8%)	93 (5%)
Pressure ulcer	22 (19%)	306 (17%)
Neuropathic ulcer	5 (4%)	54 (3%)
Traumatic ulcer	10 (8%)	227 (13%)
Ulcer due to inflammatory vessel disease	0 (0%)	30 (2%)
Malignant ulcer	2 (2%)	23 (1%)
Other unspecified ulcer	7 (6%)	285 (16%)
Missing diagnosis	16 (13%)	157 (9%)