Table 1 Demographic and biochemistry characteristics of depressed and non-depressed subjects based on the Taiwanese Depression Questionnaire (TDQ) score (n = 151).
Total (n = 151) | No depression (TDQ 0–18) (n = 86, 57.0%) | Depression (TDQ 19–54) (n = 65, 43.0%) | p value of t-test, z-test or Fisher’s exact test | |
|---|---|---|---|---|
3-year mortality | 46 (30.5%) | 20 (23.3%) | 26 (40.0%) | 0.027 |
Age | 64.6 ± 13.9 | 63.5 ± 14.2 | 66.1 ± 13.5 | 0.984 |
Gender (woman %) | 77 (50.1%) | 39 (45.3%) | 38 (58.5%) | 0.109 |
Quality of life score | 79.87 ± 16.29 | 89.6 ± 12.83 | 66.9 ± 10.21 | 0.058 |
% QOL score ≤ 65 | 30 (19.9%) | 2 (2.3%) | 28 (43.1%) | 0.000 |
Marital status | 0.752 | |||
married | 118 (78.1%) | 68 (79.1%) | 50 (76.9%) | |
other | 33 (21.9%) | 18 (20.9%) | 15 (23.1%) | |
Education | 0.073 | |||
≤6 years | 85 (56.3%) | 43 (50.0%) | 42 (64.6%) | |
>6 years | 66 (43.7%) | 43 (50.0%) | 23 (35.4%) | |
Occupation | 0.115 | |||
unemployed | 132 (87.4%) | 72 (83.7%) | 60 (92.3%) | |
employed | 19 (12.6%) | 14 (16.3%) | 5 (7.7%) | |
Religion | 0.558 | |||
nil | 49 (32.5%) | 26 (30.2%) | 23 (35.4%) | |
Buddhism | 65 (43.0%) | 39 (45.3%) | 26 (40.0%) | |
Christianity | 3 (2.0%) | 2 (2.3%) | 1 (1.5%) | |
Catholicism | 12 (7.9%) | 5 (5.8%) | 7 (10.8%) | |
Taoism | 21 (13.9%) | 14 (16.3%) | 7 (10.8%) | |
miscellaneous | 1 (0.7%) | 0 (0.0%) | 1 (1.5%) | |
Monthly income (USD) | 0.256 | |||
<300 | 87 (57.6%) | 46 (53.5%) | 41 (63.1%) | |
300–1000 | 37 (24.5%) | 20 (23.3%) | 17 (26.2%) | |
1000–2000 | 17 (11.3%) | 13 (15.1%) | 4 (6.2%) | |
>2000 | 10 (6.6%) | 7 (8.1%) | 3 (4.6%) | |
Living | 0.990 | |||
alone | 5 (3.3%) | 3 (3.5%) | 2 (3.1%) | |
with family | 139 (92.1%) | 79 (91.9%) | 60 (92.3%) | |
other | 7 (4.6%) | 4 (4.7%) | 3 (4.6%) | |
Diabetes mellitus | 84 (55.6%) | 49 (57.0%) | 35 (53.8%) | 0.704 |
BUN (mg/dL) | 75.2 ± 20.9 | 78.7 ± 20.4 | 70.9 ± 21.1 | 0.692 |
Creatinine (mg/dL) | 10.34 ± 2.58 | 10.90 ± 2.5 | 9.70 ± 2.50 | 0.968 |
Sodium (mmol/L) | 136.9 ± 4.1 | 137.2 ± 3.5 | 136.5 ± 4.8 | 0.015 |
Potassium (mmol/L) | 4.44 ± 0.97 | 4.51 ± 0.84 | 4.35 ± 1.11 | 0.641 |
Calcium (mg/dL) | 9.30 ± 0.87 | 9.26 ± 0.87 | 9.36 ± 0.87 | 0.561 |
Phosphate (mg/dL) | 4.90 ± 1.47 | 5.18 ± 1.46 | 4.52 ± 1.40 | 0.747 |
Ca x P product | 45.70 ± 14.65 | 48.00 ± 14.30 | 42.66 ± 14.66 | 0.573 |
Albumin (g/dL) | 3.65 ± 0.37 | 3.73 ± 0.36 | 3.53 ± 0.35 | 0.772 |
Glucose (mg/dL) | 153.2 ± 65.8 | 152.2 ± 59.7 | 154.5 ± 73.5 | 0.458 |
GOT (IU/L) | 18.4 ± 10.1 | 18.7 ± 11.2 | 18.2 ± 8.5 | 0.676 |
GPT (IU/L) | 19.1 ± 20.0 | 19.4 ± 23.1 | 18.8 ± 15.1 | 0.769 |
Kt/V of urea | 1.34 ± 0.22 | 1.37 ± 0.23 | 1.30 ± 0.20 | 0.921 |
Dialysis vintage (years) | 4.5 ± 3.9 | 4.5 ± 3.8 | 4.7 ± 4.1 | 0.556 |
ALKP (U/L) | 307.6 ± 138.6 | 309.2 ± 146.5 | 305.6 ± 128.4 | 0.704 |
Triglyceride (mg/dL) | 169.8 ± 111.9 | 164.8 ± 98.5 | 176.3 ± 128.1 | 0.348 |
Cholesterol (mg/dL) | 159.8 ± 34.9 | 159.9 ± 36.3 | 159.7 ± 33.2 | 0.461 |
Ferritin (ng/mL) | 460.8 ± 444.5 | 475.4 ± 554.2 | 441.4 ± 233.5 | 0.341 |
i-parathyroid hormone (pg/mL) | 338.0 ± 271.4 | 361.7 ± 289.5 | 306.7 ± 244.0 | 0.512 |
Hemoglobin (g/dL) | 10.78 ± 1.51 | 10.78 ± 1.53 | 10.78 ± 1.50 | 0.844 |
Platelet (k/µL) | 177.1 ± 64.9 | 176.9 ± 59.8 | 177.3 ± 71.6 | 0.676 |