Table 1 Baseline characteristics (N = 400)
Alb < 2.5 n = 48 | 2.5 ≤ Alb < 3.5 n = 200 | 3.5 ≤ Alb n = 152 | Total n = 400 | P value | |
|---|---|---|---|---|---|
Albumin (g/dL) | 2.2 (2.0, 2.4) | 3.1 (2.9, 3.3) | 3.8 (3.6, 4.0) | 3.3 (2.9, 3.7) | < 0.01* |
Age (years) | 72 (66, 80) | 75 (69, 81) | 71 (62, 79) | 74 (66, 81) | < 0.01* |
Sex (male) | 25 (52.1) | 125 (62.5) | 110 (72.4) | 260 (65.0) | 0.021* |
Dialysis vintage (month) | 54 (25, 130) | 63 (24, 119) | 62 (24, 108) | 62 (24, 116) | 0.924 |
BMI (kg/m2) | 19.7 (17.2, 21.6) | 19.5 (17.5, 22.0) | 21.5 (19.0, 23.7) | 20.1 (17.9, 22.8) | < 0.01* |
Diabetes mellitus | 19 (40.4) | 84 (42.0) | 74 (48.7) | 177 (44.4) | 0.387 |
Malignancy | 7 (14.6) | 27 (13.5) | 16 (10.5) | 50 (12.5) | 0.633 |
Artificial devices | 10 (20.8) | 77 (38.5) | 36 (23.7) | 123 (30.8) | < 0.01* |
Creatinine (mg/dL) | 4.8 (4.0, 6.9) | 6.2 (4.5, 8.3) | 7.3 (5.4, 9.8) | 6.4 (4.6, 8.6) | < 0.01* |
Potassium (mEq/L) | 3.8 (3.4, 4.4) | 4.3 (3.7, 4.8) | 4.3 (4.1, 5.2) | 4.3 (3.8, 4.8) | < 0.01* |
CRP (mg/dL) | 10.1 (4.5, 21.5) | 7.7 (3.4, 14.4) | 4.0 (0.7, 9.7) | 6.6 (1.9, 12.9) | < 0.01* |
Hemoglobin (g/dL) | 9.7 (8.4, 11.5) | 10.6 (9.5, 11.5) | 11.3 (10.2, 12.4) | 10.7 (9.5, 11.9) | < 0.01* |