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Table 1 Changes in patient and BIA variables over time

From: Bioelectrical impedance analysis for monitoring cancer patients receiving chemotherapy and home parenteral nutrition

  T0 T1 T2 Mean Slope
(change per day)
P
Patient Variables
 Actual body weight, kg 57.4 [57.0] (33.0–100.0) 58.9 [57.0] (37.7–96.0) 59.7 [60.0] (37.5–95.0) 0.02 < 0.01
 Body Mass Index, kg/m2 21.2 [21.1] (12.7–39.1) 21.7 [21.4] (15.4–37.5) 22.0 [21.7] (15.4–37.1) 0.01 < 0.01
 Oral calorie intake, kCal 597 [600] (0–1500) 904 [1000] (0–2550) 959 [1000] (0–2550) 4.18 < 0.01
 Oral protein intake, g/day 21.1 [20.0] (0–50) 32.2 [35.0] (0–110) 34.5 [40.0] (0–90) 0.15 < 0.01
 PG-SGA category, % A: 0% NA A:8% NA < 0.01
B: 48%   B:48%   
C: 52%   C:44%   
 Karnofsky PS 67.4 [70.0] (50–90) NA 72.5 [70.0] (50–90) NA < 0.01
 ECOG PS 1.3 [1] (0–2) NA 1.2 [1.0] (0–2) NA 0.09
 Albumin, g/dL 3.4 [3.5] (1.9–4.5) NA 3.5 [3.5] (2.2–4.6) NA 0.19
 C-reactive protein, mg/L 16.7 [10.9] (0.4–73.2) NA 13.5 [6.9] (0.1–140) NA 0.23
 mGPS 1 [1] (0–2) NA 0.6 [0] (0–2)   0.01
0: 37%   0: 62%   
1: 26%   1: 14%   
2: 37%   2: 25%   
BIA Variables
 Resistance, Ohm 590.9 [606.0] (401–804) 586.6 [586.0] (401–898) 584.0 [607.0] (372–780) −0.08 0.45
 Reactance, Ohm 52.0 [48.0] (19–120) 51.0 [49.0] (20–99) 51.2 [46.0] (22–116) − 0.01 0.68
 Phase Angle, ° 4.8 [4.8] (2.5–8.1) 5.0 [4.7] (2.5–11.4) 5.0 [4.5] (2.3–10.0) 0.00 0.32
 Total Body Water, % 59.4 [59.7] (39.3–85.8) 58.6 [58.5] (41.3–76.6) 58.0 [58.2] (41.7–76.4) −0.02 0.04
 Extracellular Water, %, 52.1 [52.2] (25.4–70.7) 52.1 [52.6] (29.5–69.9) 52.2 [53.5] (32.3–73.2) 0.00 0.98
 Intracellular water, % 47.9 [47.8] (29.3–74.6) 48.1 [47.7] (30.1–70.5) 47.7 [46.3] (26.8–67.7) 0.00 0.89
 Fat Mass, % 23.3 [23.2] (−7.1–50.8) 24.1 [24.6] (0.5–48.4) 25.8 [24.3] (1.6–76.9) 0.03 0.04
 Fat Free Mass, % 74.6 [76.6] (49.2–86.9) 76.0 [75.4] (51.6–101.2) 75.0 [75.7] (52.5–98.4) 0.01 0.52
 Muscle Mass, % 44.0 [39.2] (25.3–75.4) 43.2 [40.0] (19.5–120.7) 42.1 [38.9] (23.5–81.3) − 0.02 0.37
  1. All values are expressed as mean [median] (range), or percentage as indicated
  2. T0: at start of HPN; T1: 60 days after the start of HPN; T2: 90 days after the start of HPN
  3. NA Not applicable, BIA Bioelectrical impedance analysis, BMI Body mass index, ECM Extracellular mass, BCM Body cell mass, PS Performance status, ECOG Eastern cooperative oncology group, mGPS Modified Glasgow prognostic score, PG-SGA Patient-generated subjective global assessment; Category A = well-nourished; Category B = suspected malnutrition or moderate malnutrition; Category C = severely malnourished