Table 1. Patient characteristics at baseline, according to treatment modality (categorical data)a
| No. of Patients | P (χ2 Test) | ||
|---|---|---|---|
| HD | PD | ||
| 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 | ||
| <45 | 89 (12.0%) | 147 (30.6%) | |
| 45 to 60 | 187 (25.2%) | 173 (36.0%) | |
| 60 to 70 | 203 (27.4%) | 100 (20.8%) | |
| ≥70 | 263 (35.4%) | 60 (12.5%) | |
| Male gender | 427 (57.6%) | 313 (65.2%) | 0.0074 |
| Primary renal disease | 0.0001 | ||
| diabetes mellitus | 111 (15.0%) | 70 (14.6%) | |
| glomerulonephritis | 77 (10.4%) | 102 (21.3%) | |
| renal vascular cause | 158 (21.3%) | 58 (12.1%) | |
| all other | 396 (53.4%) | 250 (52.1%) | |
| Davies score at study entry | 0.0001 | ||
| no comorbidity | 296 (39.9%) | 286 (59.6%) | |
| intermediate | 363 (48.9%) | 161 (33.5%) | |
| high comorbidity | 83 (11.2%) | 33 (6.9%) | |
| Presence of diabetes mellitus | 168 (22.6%) | 87 (18.1%) | 0.0578 |
| Presence of CVD | 293 (39.5%) | 118 (24.6%) | 0.0001 |
| SGA scoreb | 0.0001 | ||
| ≤4 | 109 (14.7%) | 33 (6.9%) | |
| 5 | 138 (18.6%) | 56 (11.7%) | |
| 6 | 281 (37.9%) | 168 (35.0%) | |
| 7 | 214 (28.8%) | 223 (46.5%) | |
| Total | 742 (100%) | 480 (100%) | |