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Table 3 Summary of the results from the fit of the four normal tissue complication probability models for the different acute urinary symptoms during radiotherapy, respectively

From: Fitting NTCP models to bladder doses and acute urinary symptoms during post-prostatectomy radiotherapy

Parameters

AUC

LLmax

Pworse-fit (%)

AIC

Lyman-Kutcher-Burman (LKB) model

 Urinary urgency

0.66

−51.2

60.2

108.6

 Urinary incontinence

0.58

−36.0

60.1

78.3

 Frequency

0.64

−36.2

60.1

78.6

 Nocturia

0.64

−38.2

60.1

82.7

Logit model

 Urinary urgency

0.66

−51.8

60.1

109.9

 Urinary incontinence

0.55

−36.6

60.1

79.5

 Frequency

0.64

−36.3

60.1

78.9

 Nocturia

0.64

−38.2

60.1

82.8

Relative Seriality model

 Urinary urgency

0.66

−51.4

60.4

109.2

 Urinary incontinence

0.57

−36.0

60.1

78.2

 Frequency

0.63

−36.3

60.1

79.0

 Nocturia

0.67

−37.7

60.1

81.7

  1. AUC area under the receiver operating characteristic curve
  2. LL max maximum of the log-likelihood function
  3. P worse-fit probability of achieving a worse fit compared to the fitted parameter values
  4. AIC Akaike information criterion