Table 3.

Co-morbidities in patients with knee OA seen by general practitioners (GPs) and rheumatologists (RHs)

	All patients n = 1,821	GPs n = 1,570	RHs n = 251	P value
Hypertension	57.3	58.3	51.0	< 0.05
Diabetes mellitus	16.1	16.9	11.6	< 0.05
Peptic ulcer	12.7	11.9	17.5	< 0.05
Cardiovascular risk	27.5	28.2	23.5	ns
History of cancer	5.2	5.2	5.2	ns
Anxiety	21.8	22.9	14.7	< 0.01
Depression	12.2	12.7	8.8	ns

Values are percentages. ns = not significant