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. 2016 Aug 31;29(6):871–879. doi: 10.1007/s40620-016-0344-z

Table 2.

Results of renal and peritoneal clearances of creatinine and urea in incrPD and stPD groups

Initial data 6th month End of treatmenta p value 6th month vs. initial data
incrPD stPD p incrPD stPD p incrPD stPD p incrPD stPD
Number of patients 29 75 25 66 25 65
twKt/V 2.08 ± 0.38 2.40 ± 0.58 0.008 2.13 ± 0.45 2.20 ± 0.43 0.527 1.77 ± 0.50 2.01 ± 0.35 0.007 0.672 0.012
twCrCl (l/w/1.73 m2) 81 ± 15 85 ± 18 0.341 83 ± 19 77 ± 20 0.192 66 ± 27 62 ± 21 0.460 0.485 0.004
Residual renal creatinine clearance 7.55 ± 1.94 7.36 ± 2.21 0.690 7.74 ± 2.97 5.81 ± 2.72 0.004 5.39 ± 3.85 2.62 ± 3.35 0.001 0.797 <0.001
Peritoneal creatinine clearance 1.98 ± 0.70 2.80 ± 0.93 <0.001 2.02 ± 0.63 3.22 ± 1.21 <0.001 2.16 ± 0.68 4.08 ± 1.37 <0.001 0.297 <0.001
Renal + peritoneal creatinine clearance 9.53 ± 1.99 10.16 ± 2.52 0.231 9.77 ± 2.87 9.04 ± 2.63 0.255 7.55 ± 3.66 6.71 ± 2.82 0.246 0.600 0.015
Peritoneal contribution to total creatinine clearance (%) 21 ± 7 28 ± 8 <0.001 22 ± 10 38 ± 19 <0.001 32 ± 13 70 ± 30 <0.001 0.448 <0.001
Residual urea renal clearance 4.55 ± 1.23 3.81 ± 1.35 0.014 4.63 ± 1.42 3.12 ± 1.67 <0.001 3.27 ± 2.09 1.4 ± 1.85 <0.001 0.778 <0.001
Peritoneal urea clearance 2.44 ± 0.78 4.50 ± 1.38 <0.001 2.54 ± 0.79 4.68 ± 1.18 <0.001 2.66 ± 0.81 5.66 ± 1.52 <0.001 0.393 0.155
Renal + peritoneal urea clearance 6.99 ± 1.15 8.30 ± 1.93 <0.001 7.17 ± 1.32 7.80 ± 1.54 0.073 5.94 ± 1.80 7.06 ± 1.42 0.246 0.490 0.018
Peritoneal contribution to total urea clearance (%) 35 ± 11 54 ± 11 <0.001 36 ± 11 61 ± 16 <0.001 47 ± 16 82 ± 21 <0.001 0.757 <0.001
Creatinine renal clearance/urea renal clearance 1.70 ± 0.43 2.08 ± 0.92 0.007 1.69 ± 0.55 2.16 ± 1.24 0.007 1.65 ± 0.33 2.17 ± 1.58 0.051 0.678 0.080
Residual renal function 6.08 ± 1.47 5.61 ± 1.49 0.160 6.20 ± 2.02 4.48 ± 2.12 <0.001 4.36 ± 2.96 2.03 ± 2.55 < 0.001 0.792 <0.001

All values except Kt/V are normalized to 1.73 m2 of body surface area

Statistically significant values are in bold

Statistically non-significant values are in italic

twKt/V total weekly Kt/V, twCrCl total weekly creatinine clearance

aLast value before changing from incrPD to stPD or stopping PD