Table 4.
Annual variations in parameters in summer, with year one as a reference
| Parameter/Model | Year | B | 95% CI | Wald χ2 | P |
|---|---|---|---|---|---|
| Systolic BP | Year three | -1.05 | -6.12-4.03 | 0.16 | >0.05 |
| Year two | -1.27 | -7.17-4.64 | 0.18 | >0.05 | |
| Hemoglobin | Year three | -0.07 | -0.45-0.32 | 0.12 | >0.05 |
| Year two | -0.05 | -0.36-0.27 | 0.09 | >0.05 | |
| BUN | Year three | 0.54 | -4.33-5.42 | 0.05 | >0.05 |
| Year two | 2.21 | -3.38-7.80 | 0.60 | >0.05 | |
| Sodium | Year three | 1.81 | 1.16-2.46 | 29.72 | <0.001 |
| Year two | 0.80 | 0.13-1.46 | 5.55 | 0.019 | |
| Potassium | Year three | -0.22 | -0.39- -0.04 | 5.85 | 0.016 |
| Year two | 0.08 | -0.09-0.25 | 0.94 | >0.05 | |
| Phosphate | Year three | 0.13 | -0.21-0.46 | 0.56 | >0.05 |
| Year two | 0.06 | -0.17-0.29 | 0.30 | >0.05 | |
| Albumin | Year three | 0.06 | -0.00-0.13 | 3.35 | >0.05 |
| Year two | 0.03 | -0.01-0.06 | 2.22 | >0.05 | |
| CRP | Year three | 0.08 | -0.07-0.22 | 1.17 | >0.05 |
| Year two | 0.08 | -0.12-0.28 | 0.60 | >0.05 | |
| nPCR | Year three | 0.06 | -0.02-0.15 | 1.96 | >0.05 |
| Year two | 0.07 | -0.01-0.15 | 2.74 | >0.05 | |
| IDWG | Year three | -1.42 | -1.88- -0.95 | 35.76 | <0.001 |
| Year two | -0.37 | -0.76-0.03 | 3.37 | >0.05 |
BP, blood pressure; BUN, blood urea nitrogen; BP, blood pressure; CRP, C-reactive protein; IDWG, interdialytic weight gain; nPCR, normalized protein catabolic rate