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Table 1 Overall data of the study population

From: Efficiency and nutritional parameters in an elderly high risk population on hemodialysis and hemodiafiltration in Italy and France: different treatments with similar names?

  Study population Study population Le Mans Study population Cagliari P Le Mans vs Cagliari
N 180 97 83
Males/Females 59.4%
40.6%
55.7%
44.3%
63.9%
36.1%
0.336
Age median (yrs) (min-max) 69 (18–90) 71 (18–90) 67 (26–89) 0.020
RRT vintage (yrs) (min-max) 6.7 (0.07–43.5) 4.3 (0.07–43.5) 10.3 (0.5–36.9) < 0.001
Charlson median (min-max) 8 (2–16) 9 (2–16) 6 (2–12) < 0.001
MIS median (min-max) 7 (1–27) 7 (1–23) 6 (2–27) 0.020
SGA: A 61.1% 49.5% 74.7% 0.002
SGA: B 33.9% 45.4% 20.5%
SGA: C 5.0% 5.2% 4.8%
HD-HDF (%) HD: 40.0%
HDF: 60.0%
HD: 23.7%
HDF: 76.3%
HD: 59.0%
HDF: 41.0%
< 0.001
BMI Kg/m2 median (min-max) 24.3 (14.6–47.1) 26.2 (16.4–47.1) 22.6 (14.6–31.8) < 0.001
BMI < 20 32 (18.0%) 11 (11.6%) 21 (25.3%) < 0.001
BMI 20–25 66 (37.1%) 26 (27.4%) 40 (48.2%)
BMI 25–30 56 (31.5%) 38 (40.0%) 18 (21.7%)
BMI > = 30 24 (13.5%) 20 (21.1%) 4 (4.8%)
Albumin (g/dl) median (min-max) 3.4 (2.0–4.5) 3.2 (2.6–3.8) 3.7 (2.0–4.5) < 0.001
Albumin < 3 23 (12.8%) 22 (22.7%) 1 (1.2%) < 0.001
Albumin < 3.5 99 (55.0%) 78 (80.4%) 21 (25.3%) < 0.001
BUN (mg/dl) median (min-max) 60.0 (24.4–105) 56.7 (24.4–100) 63.0 (32.0–105) 0.015
Creatinine (mg/dl) median (min-max) 9.1 (2.7–15.0) 8.8 (2.7–15.0) 10.2 (3.6–14.8) 0.003
Cholesterol (mg/dl) median (min-max) 158 (49–263) 162.8 (49–249) 157 (67–263) 0.978
Kt/V median (min-max) 1.6 (0.7–2.3) 1.5 (0.7–2.2) 1.6 (0.8–2.3) 0.005
nPCR (g/Kg/day) median (min-max) 1.04 (0.5–1.8) 0.9 (0.5–1.7) 1.1 (0.6–1.8) 0.002
  1. Legend: RRT renal replacemet therapy, MIS Malnutrition inflammation score, SGA subjective global assessment (A. well nourished, B moderate malnutrition, C severe malnutrition), HD hemodialysis, HDF hemodiafiltration, BUN blood urea nitrogen (predialysis), Kt/V dialysis efficiency index, according to Daugirdas 2 formula, nPCR normalised protein catabolic rate