Table 1.

Departments surveyed and numbers of patients reported in the first survey (1998)

								Number of patients reported
Department	Hospital type	Number of beds	Total number of departments	Number of surveyed departments	Sampling rate (%)	Number of departments responding	Response rate (%)	DCM	HCM	RCM
Internal medicine and circulatory diseases	General	20–99	3493	172	4.9	86	50.0	20	40	0
		100–199	2165	214	9.9	108	50.5	97	173	0
		200–299	852	170	20.0	80	47.1	217	290	5
		300–399	497	199	40.0	90	45.2	571	709	13
		400–499	211	168	79.6	81	48.2	954	913	12
		≥500	254	254	100	114	44.9	1968	1974	29
Circulatory diseases	University	Any	24	24	100	23	95.8	861	906	7
Internal medicine	University	Any	295	295	100	194	65.8	1507	1945	20
Paediatrics	General	20–99	1368	66	4.8	30	45.5	2	1	1
		100–199	1010	99	9.8	56	56.6	2	2	0
		200–299	544	109	20.0	74	67.9	4	16	0
		300–399	397	158	39.8	122	77.2	7	14	0
		400–499	184	146	79.3	119	81.5	19	32	1
		≥500	221	221	100	149	67.4	50	101	9
	University	Any	119	119	100	83	69.7	62	146	5
Total			11634	2414	20.7	1409	58.4	6341	7262	102

DCM, idiopathic dilated cardiomyopathy; HCM, idiopathic hypertrophic cardiomyopathy; RCM, idiopathic restrictive cardiomyopathy.