Table 2.

Comparison of previous and current epidemiological studies of EPS

	Study
	Nomoto et al. Japan 1996	Rigby et al. Australia 1998	Lee et al. Korea 2003	Kawanishi et al. Japan 2001	Kawanishi et al. Japan 2004	Summers et al. UK 2005	Brown et al. UK (current study)
Number of EPS Casesa	62	54 (46)	31	17	48	27 (23)	46
Dates of Study	1980–1994	1980–1994	1981–2002	1999–2001	1999–2003	1998–2003	2000–2007
Study Design	Retrospective Multi-center	Retrospective Multi-center	Retrospective Multi-center	Prospective Multi-center	Prospective Multi-center	Retrospective Single-center	Retrospective Multi-center
Denominator Populationb	6923	7374	3888	2216	1958	810	1638
Overall Rate	0.9%	0.7%	0.8%	0.8%	2.5%	3.3%	2.8%
Mean PD Exposure (yrs)	5.1	4.3	5.8	10	4.3	6.1	5.4
Mortality (over study period)	43.5%	56%	25.8%	35%	37.5%	29.6%	56.5%

EPS, encapsulating peritoneal sclerosis; PD, peritoneal dialysis.

^aThose meeting ISPD 2000 criteria in brackets.

^bPrevalent + incident PD patients.