Table 1.

Patient characteristics and dialysis-related factors in all patients and in groups based on the presence (with) or absence (without) of dialysis-induced regional wall motion abnormalities (RWMAs)

CharacteristicsAll Patients (n = 70)Patients with RWMAs (n = 45)Patients without RWMAs (n = 25)P value
Age (mean, years)63.1 ± 13.765.6 ± 1.959.4 ± 30.03
Male: Female47: 2328: 1719: 60.29
Dialysis vintage (mean, months)45.2 ± 32.343.5 ± 3148.1 ± 34.80.57
Intradialytic UF volume (mean, L)1.95 ± 0.832.13 ± 0.911.59 ± 0.750.01
Kt/V urea1.3 ± 0.21.3 ± 0.21.3 ± 0.30.88
Smoker11 (16%)7 (16%)4 (16%)1
Ethnicity (n)
    Caucasian65 (93%)43 (96%)22 (88%)0.34
    Afro-Caribbean1 (1%)1 (2%)0 (0%)1
    Asian4 (5%)1 (2%)3 (12%)0.13
Etiologies (n)
    Diabetic nephropathy22 (31%)18 (40%)4 (16%)0.06
    Glomerular disease12 (17%)8 (18%)4 (16%)1
    APKD7 (10%)5 (11%)2 (8%)1
    Urological6 (9%)3 (7%)3 (12%)0.66
    Unknown9 (13%)5 (11%)4 (16%)0.71
    Other14 (29%)6 (13%)8 (32%)0.12
Co-morbidities (n)
    Ischaemic heart disease24 (34%)19 (42%)5 (20%)0.071
    Diabetes mellitus28 (40%)24 (53%)4 (16%)0.002
    Hypertension42 (60%)27 (60%)15 (60%)1
    Hyperlipidaemia31 (44%)21 (47%)10 (40%)0.62
    Left ventricular hypertrophy42 (60%)27 (60%)15 (60%)1
  • APKD, adult polycystic kidney disease; UF, ultrafiltration.