Table 2.
Clinical and biochemical characteristics of PD patients in this study (n = 93)
| Variable | Group1※ ≤5 (n=38) |
Group2※ >5 (n=55) |
t/χ2 | P value |
|---|---|---|---|---|
| Age (year) | 63.0±13.1 | 59.1±13.4 | 1.397 | 0.166 |
| Diabetes (n, %) | 15 (39.5) | 23 (41.8) | 0.180 | 0.671 |
| Male (n, %) | 20 (52.6) | 31 (56.4) | 0.126 | 0.722 |
| Atherosclerosis (n, %) | 23 (60.5) | 20 (36.4) | 3.699 | 0.054 |
| Peritonitis (n, %) | 8 (21.1) | 9 (16.4) | 0.331 | 0.565 |
| Dialysis duration (months) | 36.4±26.5 | 28.4±22.6 | 1.576 | 0.118 |
| Number of Hospitalizations | 11.56±7.7 | 7.8±4.7 | 2.701 | 0.009 |
| BMI (kg/m2) | 21.7±3.1 | 23.5±2.7 | −2.899 | 0.006 |
| Serum albumin (g/L) | 31.1±4.5 | 33.9±4.4 | −3.092 | 0.003 |
| Prealbumin (g/L) | 0.3±0.1 | 0.4±0.1 | −2.706 | 0.009 |
| Creatinine (μmol/L) | 886.6±275.6 | 911.7±322.6 | −0.392 | 0.696 |
| GFR (mL/min/1.73m2) | 5.0±1.5 | 5.1±2.2 | −0.388 | 0.699 |
| Hemoglobin (g/L) | 98.8±17.2 | 107.4±21.6 | −2.033 | 0.045 |
| Ferritin (μg /L) | 255.5±274.2 | 181.0±181.3 | 1.468 | 0.147 |
| Transferrin (g/L) | 1.72±0.49 | 1.83±0.46 | −1.089 | 0.279 |
| iPTH (pmol/L) | 326.6±267. 6 | 291.3±209.0 | 0.712 | 0.478 |
| Calcium (mmol/L) | 2.2±0.3 | 2.2±0.2 | −1.167 | 0.246 |
| Phosphorus (mmol/L) | 1.7±0.8 | 1.7±0.4 | 0.131 | 0.896 |
| Sodium (mmol/L) | 140.6±3.7 | 139.7±7.3 | 0.673 | 0.502 |
| Potassium (mmol/L) | 3.9±0.8 | 3.9±0.7 | 0.071 | 0.943 |
| Cholesterol (mmol/L) | 4.3±1.1 | 4.5±1.3 | −0.547 | 0.586 |
| Triglycerides (mmol/L) | 1.7±0.9 | 2.3±1.4 | −2.810 | 0.006 |
| CRP (mg/L) | 13.7±22.9 | 5.9±14.8 | 1.855 | 0.069 |
| IL-6 (pg/mL) | 13.5±16.1 | 7.1±3.9 | 2.166 | 0.038 |
| TNF-α (ng/mL) | 16.8±4.5 | 15.9±9.6 | 0.566 | 0.630 |
| BNP (pg/mL) | 768.0±1171.6 | 275.7±437.6 | 2.474 | 0.017 |
| MIS | 8.0±4.7 | 4.5±2.5 | 4.163 | 0.000 |
| MIAS0 (n, %) | 10 (26.3) | 28 (50.9) | 5.625 | 0.018 |
| MIAS1 (n, %) | 14 (36.8) | 24 (43.6) | 0.429 | 0.512 |
| MIAS2 (n, %) | 8 (21.1) | 2 (3.6) | 6.667 | 0.010 |
| MIAS3 (n, %) | 5 (13.2) | 1 (1.8) | 5.077 | 0.024 |
| MIAS (1–3) (n, %) | 28 (73.7) | 27 (49.1) | 5.979 | 0.014 |
Data are shown as the mean ± standard deviation, number (percentage); bold P values are statistically significant
BMI Body mass index, GFR Glomerular filtration rate, iPTH Intact parathyroid hormone, CRP C-reactive protein, IL-6 Interleukin-6, TNF-α Tumor necrosis factor-α, BNP B-type natriuretic peptide, MIS Malnutrition inflammation score, MIAS Malnutrition-inflammation-atherosclerosis syndrome;
※Group 2 and Group 1 are logograms for distinguishing scores above and below the Dialysis Effect Evaluation and Monitoring dimension mean score