Table 1. Patient characteristics at baseline, according to treatment modality (categorical data)a

No. of PatientsP2 Test)
HDPD
a HD, hemodialysis; PD, peritoneal dialysis; CVD, cardiovascular disease; SGA, subjective global assessment.
b A higher SGA score is indicative of better nutritional status; (score of 6 or 7, well nourished; ≤4, malnourished).
Age (yr)0.0001
    <4589 (12.0%)147 (30.6%)
    45 to 60187 (25.2%)173 (36.0%)
    60 to 70203 (27.4%)100 (20.8%)
    ≥70263 (35.4%)60 (12.5%)
Male gender427 (57.6%)313 (65.2%)0.0074
Primary renal disease0.0001
    diabetes mellitus111 (15.0%)70 (14.6%)
    glomerulonephritis77 (10.4%)102 (21.3%)
    renal vascular cause158 (21.3%)58 (12.1%)
    all other396 (53.4%)250 (52.1%)
Davies score at study entry0.0001
    no comorbidity296 (39.9%)286 (59.6%)
    intermediate363 (48.9%)161 (33.5%)
    high comorbidity83 (11.2%)33 (6.9%)
Presence of diabetes mellitus168 (22.6%)87 (18.1%)0.0578
Presence of CVD293 (39.5%)118 (24.6%)0.0001
SGA scoreb0.0001
    ≤4109 (14.7%)33 (6.9%)
    5138 (18.6%)56 (11.7%)
    6281 (37.9%)168 (35.0%)
    7214 (28.8%)223 (46.5%)
Total742 (100%)480 (100%)