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Table 1 Baseline characteristics and clinical features of the study population according to different albumin levels (N = 302)

From: Time-varying serum albumin levels and all-cause mortality in prevalent peritoneal dialysis patients: a 5-year observational study

Variable 24 months albumin rate reached 3.5(g/dL) P-value
Higher rate (n = 205) Lower rate (n = 97)  
Mean SD Mean SD
Dialysis vintage (years) 8.07 2.95 7.58 3.49 0.207
Age (years) 50.22 12.65 54.75 14.38 0.006
Gender (n, %)      0.241
 Male 95 46.34 38 39.18  
 Female 110 53.66 59 60.82  
Diabetes Mellitus (n, %) 31 15.12 20 20.62 0.234
Blood analysis
 Hb (g/dL) 10.70 1.41 10.06 1.43 < 0.001
 Albumin (g/dL) 3.97 0.30 3.45 0.40 < 0.001
 K (meq/L) 4.30 0.75 4.18 0.71 0.181
 Ca (mg/dL) 9.29 0.75 9.40 0.85 0.270
 P (mg/dL) 5.46 1.36 5.12 1.08 0.033
 iPTH (pg/mL)a 100 (41.6–377) 93 (31.6–203) 0.594
 ALP (U/L)a 88 (67–116) 99 (73–156) 0.018
 Cholesterol (mg/dL)a 181 (161–205) 178 (158–197) 0.157
 Triglyceride (mg/dL)a 133 (91–196) 115 (82–193) 0.213
 Urine volume 24HR (mL)a 600 (400–920) 600 (400–720) 0.252
 Kt/V 2.14 0.36 2.00 0.40 0.004
 Weekly urine Ccra 14.43 (9.92–20.73) 14.43 (13.93–14.425) 0.499
 Weekly total Ccra 59.01 (50.74–69.1) 59.01 (50.94–65.25) 0.475
 nPCR (g/kg/day) 1.08 0.25 1.06 0.23 0.476
  1. Patients aged < 18 years (n = 2) were excluded
  2. aMedian (interquartile range)
  3. P-values of categorical variables were estimated using the χ2 test, and those for continuous variables were estimated using the 2-sample t-test
  4. Hb hemoglobin, K potassium, Ca corrected serum calcium, P phosphate, iPTH intact parathyroid hormone, ALP alkaline phosphate, Ccr creatinine clearance rate, nPCR normalized protein catabolic rate