Table 3.
Summary of follow-up data collection
| Data items | Source | |
|---|---|---|
| Routine laboratory data | Creatinine, urea, Kt/V, urea reduction ratio, albumin, haemoglobin, haematocrit, mean corpuscular volume, sodium, potassium, bicarbonate, corrected calcium, phosphate, C-reactive protein, intact parathyroid hormone, total cholesterol | UKRR |
| Cardiovascular and infection hospital admission data |
Cardiovascular: nonspecific chest pain (102); congestive heart failure, non-hypertensive (108); coronary atherosclerosis (101); other circulatory diseases (117); acute myocardial infarction (100); peripheral and visceral atherosclerosis (114); chronic ulcer of skin (199); Gangrene (248); aortic, peripheral and visceral arterial disease (115); transient cerebral ischemia (112); cardiac arrest and ventricular fibrillation (107); pulmonary heart disease (103); other and ill-defined cerebrovascular disease (111); acute cerebrovascular disease (109) Infection: pneumonia (122); septicemia (except in labour) (2); pleurisy, pneumothorax, pulmonary collapse (130); aortic and peripheral arterial emboli (116); tuberculosis (1); mycoses (4); HIV infection (5); encephalitis (77); meningitis (76); shock (249); skin and subcutaneous tissue infection (197); fever of unknown origin (246); infective arthritis and osteomyelitis (201); bacterial infection, unspecified site (3); other inflammatory conditions of the skin (198); other infections, including parasitic (8); influenza (123); urinary tract infections (159); genitourinary symptoms and ill-defined conditions (163) |
Hospital Statistics (HES, PEDW, ISD), |
| Mortality data | Non-cancer mortality (i.e. all causes of death excluding chapter II causes in ICD-10) | NHS Spine tracing, UKRR, Hospital Statistics, Civil Registration |
| Patient-reported outcomes | EQ-5D-5L, DSI and time to recovery (following dialysis) [31] | Patient questionnaire administered 6 monthly |
| RRT use | Frequency, machine, dialyser, dialysis times and consumables used | Annual census (extracted from the renal IT system) |
| Other hospital admissions | Day case and inpatient hospital admissions (including surgical procedures performed) | Hospital Statistics (HES, PEDW, ISD) |
| Patient-reported healthcare use | Nursing home/residential home days/hospice days, and primary care, community services and medication usage in the last 6 months | Patient questionnaire administered 6 monthly |
| Blood stream infections | Methicillin-resistant Staphylococcus aureus, methicillin-sensitive Staphylococcus aureus, Clostridium difficile, and Escherichia coli, as the report by mandate to PHE/the UKHSA | Reported to PHE/UKHSA and shared with UKRR |
Numbers in parentheses following diagnoses refer to the Healthcare Cost and Utilisation Project Clinical Classification System for mapping diagnoses onto ICD-10 www.hcup-us.ahrq.gov. Abbreviations: HES Hospital Episode Statistics, ICD International Classification of Diseases, ISD Information Services Division, PEDW Patient Episode Database for Wales, PHE Public Health England, RRT Renal Replacement Therapy, UKHSA UK Health Security Agency, UKRR UK Renal Registry