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2006 – The Ninth Annual Report

Chapter 1 : Summary of Findings in the 2006 UK Renal Registry Report

In 2005, the acceptance rate for RRT in adults in the UK was 108pmp and this was derived from 100% complete data returns for the UK. From 2001–2005 there has been an 7.3% rise in the acceptance numbers in those 42 renal units with full reporting throughout that period.

The median age of patients starting RRT in England has increased from 63.8 years in 1998 to 65.2 years in 2005. Patients starting on PD were on average 9 years younger than those on HD and had fewer co-morbidities present. HD was the first modality of RRT in 76% of patients, PD in 21% and pre-emptive transplant in 3%.

Patients starting RRT without any co- morbidity present had a lower estimated eGFR (eGFR) than those with co-morbid conditions. 12% of patients starting RRT had a previous MI and 31% of those starting RRT aged over 65 years had IHD. Patients with a previous MI or CABG, started RRT with slightly higher mean haemoglobin than those without co-morbid con- ditions or other co-morbid conditions. Estimated GFR at the start of RRT appears to be higher in older than younger patients. Mean eGFR of all patients starting RRT rose from 6 in 1997 to above 7.5 in 2003, since when it has remained stable. In 2005, the mean percentage of patients referred late (

From the date of first RRT, the 1 year survival of all patients (unadjusted for age) is 79%. From the 90th day of RRT (to allow comparison with other countries’ 1 year survival), the 1 year survival is 83%. The age adjusted (60 years) survival for the 1 year after 90 day period is 86%. There is a high death rate in the first 90 days on RRT (6% of all patients starting RRT), a period not included in reports by many registries and other studies. The 5 year survival (including deaths within the first 90 days) rates are 58%, 53%, 44%, 28%, 20% and 12% respectively for patients aged 18–34, 35–44, 45–54, 55–64, 65–74 and 75þ years.

The ‘vintage effect’ of increasing hazard of death with length of time on RRT, prominent in data from the US, is only noted in older age groups (65–75 and 75þ years) at 5–6 years after starting RRT.

In the multivariate survival analysis of incident patients, the presence of ischaemic/ neuropathic ulcers was the predictor of worst survival, followed by malignancy, previous MI and age per 10 year increment.

There were 41,776 adult patients alive on RRT in the UK at the end of 2005, a preva- lence for adults of 694pmp. Addition of the 748 children under age 18 on RRT gives a total prevalence of 706 pmp. The annual increase in prevalence in the 38 renal units participating in the Registry since 2000 was 5.0%. The median age of prevalent patients on RRT was 56.6 years, that of patients on HD 64.5 years, PD 59.2 years and transplanted patients 49.7 years.

The median vintage of the whole RRT popu- lation was 5.1 years: that of transplanted patients was 9.8 years, HD patients 2.8 years and PD patients 2.1 years.

There is no significant differences in survival of prevalent patients between centres. The one- year survival of prevalent dialysis patients increased significantly from 1998 to 2004 in England (83.3% to 87.1% p1⁄40.0001 for linear trend), Scotland (84.0% to 87.0% p1⁄40.023 for linear trend), and Wales (83.4% to 86.1% p 1⁄4 0.027 for linear trend).

In the 2006 vascular access survey, 51% of all patients commenced renal replacement therapy using definitive access. Of patients commencing on HD, 37% commenced with definitive access (31% in the 2005 survey). 4% of patients currently on HD were in- patients. 30% of staphylococcal line infections were MRSA, which was similar to the 2005 survey.

At 6 months after starting RRT, 76% of live patients were using definitive access (defined as the use of peritoneal dialysis, transplant, AVF or AVG) and at 12 months 80%. Of HD patients starting RRT in April 2005, 65% started using venous catheters, at 6 months this had fallen to 35% and at 12 months 30%. The use of non- tunnelled lines was below 1% by 6 months.

The median Hb on HD is 11.8 g/dl with 86% of patients having a Hb >10.0 g/dl. The median Hb on PD in the UK is 12.0g/dl with 90% of patients having a Hb >10.0g/dl. In the UK, 49% of patients on PD and 48% of patients on HD have a Hb between 10.5–12.5g/dl. The median ferritin in HD patients in the UK is 413 mg/L and 256 mg/L in PD.

In the UK there is a continuing year-on-year trend of improvement in serum phosphate con- trol in dialysis patients. The RA target (

Suggested citation

  • Publications based on the UK Renal Registry data must include the relevant citation as noted below and the following notice: The data reported here have been supplied by the UK Renal Registry of the Renal Association. The interpretation and reporting of these data are the responsibility of the authors and in no way should be seen as an official policy or interpretation of the UK Renal Registry or the Renal Association.
  • Nephrol. Dial. Transplant. (2007) 22(suppl 7). Ansell D, Feest TG, Tomson C, Williams AJ, Warwick G. 9th Annual Report of the Renal Association. UK Renal Registry Report 2006. UK Renal Registry, Bristol, UK