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Table 2 Clinical features of the study population in-personvisit (N = 3509)

From: Impact of risk factors on functional status in maintenance hemodialysis patients

Variable Karnofsky score P
Low (N = 812) High (N = 2697)
Mean SD Mean SD
Hb (g/dL) 10.44 1.28 10.73 1.22 < 0.001
Hct (%) 32.16 4.03 32.87 3.78 < 0.001
WBC (103/μL) 6.28 1.90 6.11 1.70 0.014
Albumin (g/dL) 3.69 0.31 3.92 0.29 < 0.001
BUN (mg/dL) 67.82 19.52 72.60 17.06 < 0.001
Creatinine (mg/dL) 9.46 2.23 11.36 2.28 < 0.001
Ca (mg/dL) 9.46 0.85 9.38 0.85 0.019
P (mg/dL) 4.78 1.45 5.11 1.43 < 0.001
Na (mEq/L) 135.60 3.62 136.74 3.19 < 0.001
K (mEq/L) 4.79 0.78 5.05 0.69 < 0.001
Glucose (mg/dL) 164.26 62.92 131.15 52.04 < 0.001
AST (IU/L) 19.41 7.21 19.00 7.05 0.149
Alkaline P (IU/L) 87.13 37.28 79.26 33.28 < 0.001
Cholesterol (mg/dL) 172.13 37.97 174.69 37.29 0.088
Triglyceride (mg/dL) 153.68 91.33 150.11 91.50 0.329
Uric acid (mg/dL) 7.14 1.43 7.54 1.42 < 0.001
Ferritin (ng/mL) 491.65 293.49 409.03 254.75 < 0.001
Al (μμg/dL) 1.12 0.84 1.23 0.90 0.001
iPTH (pg/mL) 295.98 340.86 338.58 343.49 0.002
Kt/V 1.63 0.28 1.68 0.31 < 0.001
nPCR 1.11 0.30 1.18 0.26 < 0.001
Ultrafiltration amount in each HD (L) 1.92 1.21 2.23 1.29 < 0.001
Cardiothoracic ratio 0.52 0.07 0.49 0.07 < 0.001
  1. P value for continuous variables were estimated by independent two samples
  2. Karnofsky score: low < 80; high ≥ 80
  3. Ferritin, Al, iPTH, Kt/V, nPCR, Cardiothoracic ratio expressed by medium values, others expressed by mean values
  4. Hb hemoglobin, Hct hematocrit, Ca calcium, P phosphorus, Na sodium, K potassium, AST aspartate aminotransferase, Alkaline P alkaline phosphatase, Al aluminum, iPTH intact parathyroid hormone, nPCR normalized protein catabolic rate, HD hemodialysis