Table 3.
Univariate logistic regression analysis between UP and clinical variables
| Characteristics
|
Univariate logistic regression
|
P-value |
|---|---|---|
| Variables | OR (95% CI) | |
| Body mass index (kg/m2) | 1.07 (1.01–1.15) | 0.036 |
| DM (yes) | 0.46 (0.29–0.73) | 0.001 |
| HBV (yes) | 0.56 (0.31–1.01) | 0.058 |
| HCV (yes) | 1.52 (1.03–2.23) | 0.032 |
| Hemodialysis duration (years) | 1.11 (1.05–1.15) | <0.001 |
| Hemodiafiltration (yes) | 1.52 (1.05–2.20) | 0.026 |
| Kt/Vurea | 2.94 (1.8–4.79) | <0.001 |
| nPCR (g/kg/day) | 1.93 (1.06–3.51) | 0.03 |
| Nonanuria | 0.44 (0.27–0.71) | 0.001 |
| Serum albumin (g/dL) | 0.57 (0.36–0.91) | 0.02 |
| Corrected calcium (mg/dL) | 1.18 (0.99–1.40) | 0.056 |
| Log ferritin | 1.37 (0.96–1.95) | 0.079 |
| Log iPTH | 1.52 (1.14–2.02) | 0.004 |
| Cholesterol (mg/dL) | 1.01 (1.00–1.01) | 0.021 |
| LDL (mg/dL) | 1.01 (1.00–1.01) | 0.005 |
| NDPM2.5 ≥116 days (yes) | 3.75 (2.67–5.26) | <0.001 |
| NDPM10 ≥4.5 days (yes) | 2.64 (1.89–3.69) | <0.001 |
Notes: P>0.1, not presented in table including age, male sex, smoking, hypertension, previous CVD, fistula as blood access, hemoglobin, creatinine, phosphate, log hsCRP, and triglyceride.
Abbreviations: UP, uremic pruritus; OR, odds ratio; CI, confidence interval; DM, diabetes mellitus; HBV, hepatitis B virus; HCV, hepatitis C virus; Kt/Vurea, dialysis clearance of urea; nPCR, normalized protein catabolic rate; iPTH, intact parathyroid hormone; LDL, low-density lipoprotein; NDPM2.5, the number of days of mean 24-hour PM2.5 ≥35 μg/m3/12 months; NDPM10, the number of days of mean 24-hour PM10 ≥125 μg/m3/12 months; PM2.5, particulate matter with a diameter of <2.5 μm; PM10, particulate matter with a diameter of <10 μm; CVD, cardiovascular disease; hsCRP, high-sensitivity C-reactive protein; log, logarithm.