Table 1.

Features of the study population

Items	Number of responding centres (%)
Physician age (years)	267 (100)
<45	62 (23)
45–54	123 (44)
<55	82 (33)
Centre size (number of patients)	275 (100)
<51	44 (16)
51–120	122 (45)
>120	109 (40)
Patients treated by AHD	266 (100)
None	120 (45)
1–10	113 (42)
>10	33 (13)
Questiona: ‘… which method is meaningful?’	256 (100)
PD	239 (93)
HD	175 (68)
None	9 (4)

^aMultiple answers possible.