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Nephrol Dial Transplant 2018; doi: 10.1093/ndt/gfx343

In the above article there were errors in Tables 2 and 4 and Figure 5. The corrected versions can be seen below:

Table 2
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Formulae to be copied into the associated cells in column B of sheet 1 (Figure 1)

B16Eq.1= (B3 − B4) × 1000/B5
B17Eq. 2= 0.537 × B11 × (1+ 0.0549 × (B9 − 500)/300)
B18Eq. 3= 0.894 × B6 + B7
B19Eq. 4= EXP(B17/B18 × (1 − B18/B9))
B20Eq. 5= B18 × (B19 − 1)/(B19 − B18/B9)
B21Eq. 6= (B18 − B20)/B18 × (B7+ B8 + B16)
B22Eq. 7= 0.894 × B6/B18
B23Eq. 8= (B20 + B21) × B22
B24Eq. 9= − LN(B13/B12 − 0.0174/B2 × B5/60) + (4 − 3.5 × B13/B12) × (B3 − B4)/B4
B25Eq. 10= (B23+B32) × B5/B24/1000
B26Eq. 11= B24 × (B5/(B5 + 30.7))
B27Eq. 12= B13/(EXP(LN(B12) − B26/(B24/LN(B12/B13))))
B28Eq. 13= LN(B27 × B12/B13)/(B27 × LN(B12/B13))
B29Eq. 14= B25/B28
B30Eq. 15= B29/B4
B31Eq. 16= B12 × (1.075 − (0.38 × (1 − B13/B12)+0.059) × 1440/(B2 × 1440 − B5))
B32Eq. 17= B14 × B15/B31/1440
B33Eq. 18= B32 × 35/B29
B34Eq. 19= 0.1532 × B332− 2.225 × B33 + 7.9006
B35Eq. 20= 0.0221 × B332− 0.4979 × B33 + 2.24
B36Eq. 21= 0.0068 × B332− 0.2514 × B33 + 1.2979
B37Eq. 22= 0.1755 × B332− 2.7563 × B33 + 10.999
B38Eq. 23= 0.0776 × B332− 0.9091 × B33 + 3.157
B39Eq. 24= 0.0145 × B332− 0.2549 × B33 + 1.2496
B16Eq.1= (B3 − B4) × 1000/B5
B17Eq. 2= 0.537 × B11 × (1+ 0.0549 × (B9 − 500)/300)
B18Eq. 3= 0.894 × B6 + B7
B19Eq. 4= EXP(B17/B18 × (1 − B18/B9))
B20Eq. 5= B18 × (B19 − 1)/(B19 − B18/B9)
B21Eq. 6= (B18 − B20)/B18 × (B7+ B8 + B16)
B22Eq. 7= 0.894 × B6/B18
B23Eq. 8= (B20 + B21) × B22
B24Eq. 9= − LN(B13/B12 − 0.0174/B2 × B5/60) + (4 − 3.5 × B13/B12) × (B3 − B4)/B4
B25Eq. 10= (B23+B32) × B5/B24/1000
B26Eq. 11= B24 × (B5/(B5 + 30.7))
B27Eq. 12= B13/(EXP(LN(B12) − B26/(B24/LN(B12/B13))))
B28Eq. 13= LN(B27 × B12/B13)/(B27 × LN(B12/B13))
B29Eq. 14= B25/B28
B30Eq. 15= B29/B4
B31Eq. 16= B12 × (1.075 − (0.38 × (1 − B13/B12)+0.059) × 1440/(B2 × 1440 − B5))
B32Eq. 17= B14 × B15/B31/1440
B33Eq. 18= B32 × 35/B29
B34Eq. 19= 0.1532 × B332− 2.225 × B33 + 7.9006
B35Eq. 20= 0.0221 × B332− 0.4979 × B33 + 2.24
B36Eq. 21= 0.0068 × B332− 0.2514 × B33 + 1.2979
B37Eq. 22= 0.1755 × B332− 2.7563 × B33 + 10.999
B38Eq. 23= 0.0776 × B332− 0.9091 × B33 + 3.157
B39Eq. 24= 0.0145 × B332− 0.2549 × B33 + 1.2496

The key formulae are written in bold.

Table 2
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Formulae to be copied into the associated cells in column B of sheet 1 (Figure 1)

B16Eq.1= (B3 − B4) × 1000/B5
B17Eq. 2= 0.537 × B11 × (1+ 0.0549 × (B9 − 500)/300)
B18Eq. 3= 0.894 × B6 + B7
B19Eq. 4= EXP(B17/B18 × (1 − B18/B9))
B20Eq. 5= B18 × (B19 − 1)/(B19 − B18/B9)
B21Eq. 6= (B18 − B20)/B18 × (B7+ B8 + B16)
B22Eq. 7= 0.894 × B6/B18
B23Eq. 8= (B20 + B21) × B22
B24Eq. 9= − LN(B13/B12 − 0.0174/B2 × B5/60) + (4 − 3.5 × B13/B12) × (B3 − B4)/B4
B25Eq. 10= (B23+B32) × B5/B24/1000
B26Eq. 11= B24 × (B5/(B5 + 30.7))
B27Eq. 12= B13/(EXP(LN(B12) − B26/(B24/LN(B12/B13))))
B28Eq. 13= LN(B27 × B12/B13)/(B27 × LN(B12/B13))
B29Eq. 14= B25/B28
B30Eq. 15= B29/B4
B31Eq. 16= B12 × (1.075 − (0.38 × (1 − B13/B12)+0.059) × 1440/(B2 × 1440 − B5))
B32Eq. 17= B14 × B15/B31/1440
B33Eq. 18= B32 × 35/B29
B34Eq. 19= 0.1532 × B332− 2.225 × B33 + 7.9006
B35Eq. 20= 0.0221 × B332− 0.4979 × B33 + 2.24
B36Eq. 21= 0.0068 × B332− 0.2514 × B33 + 1.2979
B37Eq. 22= 0.1755 × B332− 2.7563 × B33 + 10.999
B38Eq. 23= 0.0776 × B332− 0.9091 × B33 + 3.157
B39Eq. 24= 0.0145 × B332− 0.2549 × B33 + 1.2496
B16Eq.1= (B3 − B4) × 1000/B5
B17Eq. 2= 0.537 × B11 × (1+ 0.0549 × (B9 − 500)/300)
B18Eq. 3= 0.894 × B6 + B7
B19Eq. 4= EXP(B17/B18 × (1 − B18/B9))
B20Eq. 5= B18 × (B19 − 1)/(B19 − B18/B9)
B21Eq. 6= (B18 − B20)/B18 × (B7+ B8 + B16)
B22Eq. 7= 0.894 × B6/B18
B23Eq. 8= (B20 + B21) × B22
B24Eq. 9= − LN(B13/B12 − 0.0174/B2 × B5/60) + (4 − 3.5 × B13/B12) × (B3 − B4)/B4
B25Eq. 10= (B23+B32) × B5/B24/1000
B26Eq. 11= B24 × (B5/(B5 + 30.7))
B27Eq. 12= B13/(EXP(LN(B12) − B26/(B24/LN(B12/B13))))
B28Eq. 13= LN(B27 × B12/B13)/(B27 × LN(B12/B13))
B29Eq. 14= B25/B28
B30Eq. 15= B29/B4
B31Eq. 16= B12 × (1.075 − (0.38 × (1 − B13/B12)+0.059) × 1440/(B2 × 1440 − B5))
B32Eq. 17= B14 × B15/B31/1440
B33Eq. 18= B32 × 35/B29
B34Eq. 19= 0.1532 × B332− 2.225 × B33 + 7.9006
B35Eq. 20= 0.0221 × B332− 0.4979 × B33 + 2.24
B36Eq. 21= 0.0068 × B332− 0.2514 × B33 + 1.2979
B37Eq. 22= 0.1755 × B332− 2.7563 × B33 + 10.999
B38Eq. 23= 0.0776 × B332− 0.9091 × B33 + 3.157
B39Eq. 24= 0.0145 × B332− 0.2549 × B33 + 1.2496

The key formulae are written in bold.

Table 4
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Formulae to be copied into the associated cells in column B of Sheet 2 (Figure 2)

CellEquationsSpreadsheet formula
B6Eq. 25= B4 × (B5 + 30.7)/B5
B7Eq. 26= EXP(− B6/1.18)
B8Eq. 27= 1 − 0.44 × B6/(B5/60)
B9Eq. 28= LN(B8/B7)/(B8 × LN(1/B7))
B10Eq. 29= B3 × B9
B11Eq. 30= B6 × B10/B5 × 1000 − B2
CellEquationsSpreadsheet formula
B6Eq. 25= B4 × (B5 + 30.7)/B5
B7Eq. 26= EXP(− B6/1.18)
B8Eq. 27= 1 − 0.44 × B6/(B5/60)
B9Eq. 28= LN(B8/B7)/(B8 × LN(1/B7))
B10Eq. 29= B3 × B9
B11Eq. 30= B6 × B10/B5 × 1000 − B2

The key formulae are written in bold.

Table 4
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Formulae to be copied into the associated cells in column B of Sheet 2 (Figure 2)

CellEquationsSpreadsheet formula
B6Eq. 25= B4 × (B5 + 30.7)/B5
B7Eq. 26= EXP(− B6/1.18)
B8Eq. 27= 1 − 0.44 × B6/(B5/60)
B9Eq. 28= LN(B8/B7)/(B8 × LN(1/B7))
B10Eq. 29= B3 × B9
B11Eq. 30= B6 × B10/B5 × 1000 − B2
CellEquationsSpreadsheet formula
B6Eq. 25= B4 × (B5 + 30.7)/B5
B7Eq. 26= EXP(− B6/1.18)
B8Eq. 27= 1 − 0.44 × B6/(B5/60)
B9Eq. 28= LN(B8/B7)/(B8 × LN(1/B7))
B10Eq. 29= B3 × B9
B11Eq. 30= B6 × B10/B5 × 1000 − B2

The key formulae are written in bold.

Calculation of PCRn for thrice-weekly and twice-weekly HD schedules. The formulae introduced by Depner and Daugirdas [20] were typed on the cells B8B15, for the Patient 0, to be used as template with one column per patient. Of note, the equations described by Depner and Daugirdas [20] were based on spKt/V values. However, our calculations are based on eKt/V and Vdp values, in agreement with very recent data by Daugirdas [21]. In contrast to the Sheet 1, here one has to use only concentrations of serum urea nitrogen in mg/dL.
FIGURE 5

Calculation of PCRn for thrice-weekly and twice-weekly HD schedules. The formulae introduced by Depner and Daugirdas [20] were typed on the cells B8B15, for the Patient 0, to be used as template with one column per patient. Of note, the equations described by Depner and Daugirdas [20] were based on spKt/V values. However, our calculations are based on eKt/V and Vdp values, in agreement with very recent data by Daugirdas [21]. In contrast to the Sheet 1, here one has to use only concentrations of serum urea nitrogen in mg/dL.

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The errors have been corrected online and in print.

© The Author(s) 2018. Published by Oxford University Press on behalf of ERA-EDTA. All rights reserved.
This article is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model (https://dbpia.nl.go.kr/journals/pages/about_us/legal/notices)
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