ProZIB -- Briganti 2012
Validation author
Revision date
2017-06-14
MeSH terms
  • Cancer of Prostate
  • Lymph Node Dissection
  • Nomograms
  • Lymphadenectomy
  • Lymphatic Metastasis
  • Status
    public
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    Details

    Related files

    Supporting Publications

    No supporting publications available

    Discrimination

    Rows included 581
    C-index 0.75 | 95% CI: 0.7046 - 0.7889
    Brier score Not specified
    Scaled Brier score Not specified
    ROC Plot:

    Calibration

    Regression coefficient 0.67
    Intercept 0.1
    Hosmer-Lemeshow GOF < 0.001
     
    Calibration plot:

    Histogram

    Not specified

    Decision curve

    Not specified
    Comparison
    Original study population: 588
    Validation study population: 581

    Categorical characteristics

    Name Subset / Group Nr. of patients Validation P-Value
    Clinical stage T1 373 Not available
    T2 184
    T3 31
    Primary Gleason Grade ≤3 488 Not available
    ≥4 100
    Secondary Gleason Grade ≤3 406 Not available
    ≥4 182
    Pathologic stage pT2 431 Not available
    pT3a 97
    pT3b 58
    pT4 2
    Pathologic Gleason Score 2-6 223 Not available
    7 282
    8-10 63
    Missing 20

    Continuous characteristics

    Name LL Q1 Median Q3 UL Unit
    Original
    Validation
    Age
    60.3
    65.9
    70.4

    Year
    Original
    Validation
    PSA level
    4.8
    6.3
    8.9

    ng/ml
    Original
    Validation
    No. of cores taken
    13
    16.5
    24

    Cores
    Original
    Validation
    No of positive cores
    3
    6
    10

    Cores
    Original
    Validation
    Percentage of positive cores
    16.7
    35.5
    60.8

    %
    Original
    Validation
    No. of removed and examined lymph nodes
    15
    19
    25

    Positive lymph nodes
    Original
    Validation
    No. of positive lymph nodes in patients with LN1
    1
    2
    3

    Positive lymph nodes
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