Table 3. Multivariable-adjusted mean decline rate of RKF with 95%CI in the subgroups of BP3M category.
| O | N | G1 | G2–3 | P for trend | P for interaction | |
|---|---|---|---|---|---|---|
| Sex | 0.837 | |||||
| Men (n = 147) | -0.843 (-1.241, 0.817)* | -1.264 (-1.695, -0.242) | -1.712 (-1.776, -0.405) | -2.310 (-2.532, -1.090) | 0.023 | |
| Women (n = 81) | -0.538 (-2.035, 0.336) | -0.987 (-2.323, -0.375) | -1.054 (-2.480, -0.470) | -1.818 (-2.963, -1.125) | 0.086 | |
| Age | 0.305 | |||||
| ≥ 65 years (n = 101) | -0.745 (-1.051, 0.610)* | -1.222 (-1.344, -0.199)* | -0.869 (-1.097, -0.027)* | -1.762 (-2.040, -0.936) | 0.0053 | |
| < 65 years (n = 127) | -0.732 (-1.856, 0.472) | -1.131 (-1.768, 0.364)* | -1.973 (-2.535, -0.449) | -2.299 (-2.978, -0.932) | 0.0470 | |
| Diabetes | 0.408 | |||||
| No (n = 150) | -0.302 (-0.794, 1.226)* | -1.151 (-1.226, 0.192)* | -1.262 (-1.396, -0.014)* | -2.089 (-2.175, -0.830) | 0.001 | |
| Yes (n = 78) | -1.245 (-3.360, -0.525) | -1.265 (-2.694, -0.326) | -1.934 (-3.197, -1.104) | -2.050 (-3.226, -0.913) | 0.671 |
*p<0.05 vs. G2-3. Adjusted for age, sex, diabetes mellitus, previous history of cardiovascular disease, eGFR, hemoglobin, serum albumin, dialysate-to-plasma creatinine rate at 4 hr, BMI, renin-angiotensin system inhibitors use, icodextrin use, high glucose fluid use, diuretics use, dosage of peritoneal dialysis fluid, and peritonitis rate. CI: Confidence interval; G1: Grade 1 hypertension; G2–3: Grade 2 & 3 hypertension; N: Normal & High normal; O: Optimal.