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Table 6 Excluded and included cases

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

  Overall cohort Excluded cases Study population
N 207 27 180
Males/Females 59.4%
40.6%
59.3%
40.7%
59.4%
40.6%
Age median (yrs) (min-max) 69 (18–90) 67 (32–90) 69 (18–90)
RRT vintage (yrs) (min-max) 6.4 (0.2–43.5) 3.2 (0.2–24.6) 6.7 (0.07–43.5)
Charlson
median (min-max)
8 (2–16) 7 (2–14) 8 (2–16)
MIS
median (min-max)
7 (1–27) 9.5 (1–27) 7 (1–27)
SGA: A 58.0% 37.0% 61.1%
B 32.9% 25.9% 33.9%
C 6.8% 18.5% 5.0%
HD-HDF (%) HD: 33.9%
HDF: 66.1%
HD: 59.3%
HDF: 40.7%
HD: 40.0% HDF: 60.0%
BMI Kg/m2
median (min-max)
24.2 (14.6–47.1) 22.8 (16.6–43.4) 24.3(14.6–47.1)
BMI < 20 41 (20.0%) 9 (33.3%) 32 (18.0%)
BMI 20–25 75 (36.6%) 9 (33.3%) 66 (37.1%)
BMI 25–30 62 (30.2%) 6 (22.2%) 56 (31.5%)
BMI > = 30 27 (13.2%) 3 (11.1%) 24 (13.5%)
Albumin (g/dl)
median (min-max)
3.4 (1.9–4.5) 3.4 (1.9–4.1) 3.4 (2.0–4.5)
Albumin < 3 28 (13.6%) 5 (19.2%) 23 (12.8%)
Albumin < 3.5 114 (55.3%) 15 (57.7%) 99 (55.0%)
BUN (mg/dl)
median (min-max)
60.5 (24.4–118) 66.7 (26.0–118) 60.0 (24.4–105)
Creatinine (mg/dl)
median (min-max)
8.9 (1.9–15.0) 6.9 (1.9–12.6) 9.1 (2.7–15.0)
Cholesterol (mg/dl)
median (min-max)
162.2 (49–438) 182.1 (117–438) 158 (49–263)
Kt/V
median (min-max)
1.6 (0.7–2.3) 1.4 (0.8–2.2) 1.6 (0.7–2.3)
nPCR (g/Kg/day)
median (min-max)
1.0 (0.5–1.9) 0.9 (0.5–1.9) 1.04 (0.5–1.8)
  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
  2. None of the differences is statistically significant