Table 1.

Demographic and clinical variables for study participants who died during study follow-up (and for whom trajectories over last year of life could therefore be plotted)

Participants Who Died during the Study (n = 49)
Age in years mean (SD)80.9 (5.71)
    range58 to 95
    25th percentile78
    median80
    75th percentile84
    male number (%)24 (49.0)
Estimated GFR at study entry mean (SD) mL/min/1.73m211.0 (2.82)
    range4.1 to 15.0
    25th percentile9.1
    median10.9
    75th percentile13.2
Ethnicity number (%)
    white32 (65.3)
    black10 (20.4)
    South Asian5 (10.2)
    Chinese0 (0.0)
    other2 (4.1)
Renal pathology number (%)
    etiology uncertain16 (32.7)
    GN2 (4.1)
    pyelonephritis1 (2.0)
    diabetes mellitus15 (30.6)
    renal vascular disease9 (18.4)
    hypertension1 (2.0)
    polycystic kidneys1 (2.0)
    other4 (8.2)
Comorbidities
Malignancy number (%)
    absent40 (81.6)
    present9 (18.4)
Ischaemic heart disease number (%)
    absent32 (65.3)
    present17 (34.7)
Peripheral vascular disease number (%)
    absent46 (93.9)
    present3 (6.1)
Left ventricular dysfunction number (%)
    absent33 (67.4)
    present16 (32.7)
Diabetes mellitus number (%)
    absent31 (63.3)
    present18 (36.7)
Collagen vascular disease number (%)
    absent47 (95.9)
    present2 (4.1)
Other significant pathology number (%)
    absent33 (67.4)
    present16 (32.7)
Davies comorbidity score number (%)
    grade 0 (score 0)10 (20.4)
    grade 1 (score 1 to 2)27 (55.1)
    grade 2 (score ≥3)12 (24.5)
Charlson comorbidity score mean (SD)4.6 (2.03)
    range2 to 11
    25th percentile3
    median4
    75th percentile6