Table 1.

Clinical and demographic characteristics at baselinea

Crit-Line MonitoringConventional MonitoringP Value
Ageb58.2 (15.9)60.2 (15.4)0.15
Gender (male)c117 (51.5%)109 (50.5%)0.82
Race
    whitec136 (59.9%)126 (58.3%)0.53
    blackc80 (35.2%)74 (34.3%)
    otherc11 (4.8%)16 (7.4%)
Hispanic ethnicityc9 (4.0%)3 (1.4%)0.10
Albumin (g/dl)b3.7 (0.5)3.8 (0.5)0.92
Creatinine (mg/dl)b9.4 (3.1)9.1 (3.3)0.17
Hemoglobin (g/dl)b11.6 (1.4)11.7 (1.4)0.80
Angioaccess in use
    autologous fistulac77 (34.1%)75 (34.9%)0.87
    prosthetic graftc101 (44.7%)91 (42.3%)
    percutaneous catheterc48 (21.2%)49 (22.8%)
Predialysis weight (kg)b80.7 (19.9)80.0 (23.4)0.31
Predialysis systolic BPb151.8 (26.9)152.7 (27.1)0.83
Predialysis diastolic BPb82.0 (16.2)80.4 (15.2)0.51
Targeted weight (kg)b77.7 (19.1)76.5 (22.7)0.20
Congestive heart failurec41 (18.1%)51 (23.7%)0.15
Chronic obstructive pulmonary diseasec28 (12.4%)28 (13.1%)0.83
Diabetesc98 (43.2%)100 (46.9%)0.43
Hypertensionc202 (89.0%)189 (89.6%)0.84
Peripheral vascular diseasec46 (20.4%)40 (18.9%)0.70
Atrial fibrillation/flutterc26 (11.5%)29 (13.4%)0.53
Previous myocardial infarctionc47 (20.7%)52 (24.1%)0.39
Transient ischemic attacksc16 (7.0%)19 (8.9%)0.47
Strokec32 (14.1%)35 (16.4%)0.50
Phase angleb0.48 (0.01)0.48 (0.01)0.47
Left ventricular dysfunctionc24 (10.8%)24 (11.3%)0.87
Left ventricular hypertrophyc52 (23.0%)62 (29.1%)0.15
  • a Percentages and numbers may not equal 100% as a result of rounding or missing data.

  • b Mean (SD) for continuous variables.

  • c Number (%) for categorical variables.