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. 2021 Dec 9;16(12):e0258440. doi: 10.1371/journal.pone.0258440

Table 2. Baseline characteristics (mean ± SD or number and %; analysis population).

Valid n Result
Age (years) 160 57.7 ± 14.1
Sex: female 160 67 (41.9%)
Body weight (kg) 149 72.9 ± 18.1
Body height (cm) 160 166 ± 10
Body mass index (kg/m2) 149 26.4 ± 5.3
Body surface area (m2) 149 1.82 ± 0.26
Vital signs
 • Systolic blood pressure (mm Hg) 160 139.2 ± 21.4
 • Diastolic blood pressure (mm Hg) 160 79.7± 11.6
 • Heart rate (beats/minute) 153 75.7 ± 12.7
Underlying renal disease 160
 • Diabetes mellitus (type 1 and 2) 44 (27.5%)
 • Hypertensive / large vessel disease 32 (20.0%)
 • Glomerulonephritis 28 (17.5%)
 • Cystic / hereditary / congenital diseases 14 (8.8%)
 • Other or unknown 40 (25.0%)
Comorbidities 160
 • Diabetes (type 1 and 2) 96 (60.0%)
 • Hypertension 152 (95.0%)
History of peritonitis 160 28 (17.5%)
Age-adjusted Charlson comorbidity index 160 4.6 ± 1.8
Medication (%) 160
 • Antihypertensives 128 (80.0%)
 • Diuretics 114 (71.3%)
 • Phosphate binders 115 (71.9%)
Volume status and body composition
 • Fluid overload, absolute (L) 149 1.8 ± 2.9
 • Overhydrated patients acc. to absolute fluid overload 149 80 (53.7%)
 • Fluid overload, relative (%) 140 9.9% ± 14.0%
 • Overhydrated patients acc. to relative fluid overload 140 79 (56.4%)
 • Lean tissue mass (kg) 146 35.6 ± 13.5
 • Adipose tissue mass (kg) 145 30.2 ± 16.0
Residual renal function and dialysis efficiency
 • 24h urine output (mL) 146 1042 ± 771
 • Weekly renal creatinine clearance (L) 108 50.6 ± 48.5
 • Weekly peritoneal creatinine clearance (L) 99 30.9 ± 13.2
 • Weekly peritoneal Kt/V 96 1.4 ± 0.5
 • Weekly renal Kt/V 97 0.7 ± 0.6
 • Mean daily ultrafiltration (mL) 150 645 ± 619