Table 2.

Features of dialysis registries in Asia (modified from [21])

Registry name (common abbreviation), year of establishment	Accessibility	Patient-level data availability	Treatments	Outcomes
Hong Kong Renal Registry (HKRR), 1995	+	+	+++	+++
Korean Renal Registry, 1985	++	++	+++	+++
Malaysian National Renal Registry (NRR), 1993	++	+++	+++	+++
Shanghai Dialysis Registry, 1996	+	+	++	+++
Singapore Renal Registry, 2001	+++	++	+++	+++
Taiwan Renal Registry Data System (TWRDS), 1987	+	+	+++	+
Thailand Renal Replacement Therapy Registry (TRT), 1997	++	+	+++	+

Accessibility: +++ (good): information including annual reports, publications and aggregate data accessible via website, publicly available records, or with assistance from registry staff. ++ (moderate): information in local language only or limited publicly available information including on website; with additional searches, basic information may be available in reports or in published research; more information may be accessible via third-party collaborators (e.g. registry researchers or local academics). + (limited/unclear): very limited information available publicly or unclear.

Patient-level data availability: +++: available to external researchers directly or through application and review; may include usage fee. ++: conditional access, e.g. via third-party collaborators. +: not available to external researchers or access process unclear.

Treatments: +++: submodality available. ++: modality available but not submodality. +: modality not available or availability unclear.

Outcomes: +++: mortality/survival and/or hospitalization/complication data available. ++: mortality/survival or hospitalization/complication data not reported; surrogates such as laboratory result data reported. +: no reported outcome or surrogate data or availability unclear.