Table 4.

Comorbidities in relation to aetiology of chronic leg ulcers

	Hypertension			NIDDM
Aetiology	n	Absolute	%	n	Absolute	%
Venous leg ulcer	513	340	66·2	513	121	23·6
Mixed leg ulcer	129	114	88·4	129	48	37·2
Arterial leg ulcer	110	81	73·6	110	51	46·4
Vasculitis	45	32	84·2	45	12	31·6
Post‐traumatic ulcer	32	19	59·4	32	5	15·6
Pyoderma gangrenosum	28	15	53·6	28	3	10·7
Lymphoedema	17	12	70·6	17	4	23·5
Neoplasm	10	8	80·0	10	0	0
Post‐surgical ulcer	6	5	83·3	6	1	16·7
Unclear	110	79	71·8	110	27	24·5
Total	1 000	705	70·5	1 000	272	27·2
	Obesity			Dyslipidaemia
Aetiology	n	Absolute	%	n	Absolute	%
Venous leg ulcer	372	183	49·2	377	80	21·2
Mixed leg ulcer	101	42	41·6	98	33	33·7
Arterial leg ulcer	90	30	33·3	83	29	34·9
Vasculitis	34	14	41·2	33	4	12·1
Post‐traumatic ulcer	22	9	40·9	23	5	21·7
Pyoderma gangrenosum	13	7	53·8	12	1	8·3
Lymphoedema	12	11	91·6	10	0	0
Neoplasm	8	4	50·0	8	1	12·5
Post‐surgical ulcer	6	2	33·3	6	2	33·3
Unclear	88	35	39·7	88	25	28·4
Total	746	337	45·2	738	180	24·4

NIDDM, non‐insulin‐dependent diabetes milletus.