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Table 1 Dosimetric parameters in the patients with and without toxicity

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

 

No Toxicity (mean ± standard deviation)

Toxicity (mean ± standard deviation)

Frequency

 Patients

71

14

 Dmean (Gy)

50.0 ± 11.5

47.6 ± 9.5

 V18 (cc)

99.2 ± 43.3

133.4 ± 63.1

Nocturia

 Patients

71

15

 Dmean (Gy)

49.4 ± 11.0

48.2 ± 14.4

 V40 (cc)

76.7 ± 32.2

97.0 ± 48.2

Urinary urgency

 Patients

64

26

 Dmean (Gy)

47.4 ± 11.1

53.3 ± 11.2

 V18 (%)

84.2 ± 18.5

91.8 ± 15.6

Incontinence

 Patients

74

13

 Dmean (Gy)

48.6 ± 11.9

52.4 ± 9.4

 V40 (%)

68.0 ± 21.8

75.8 ± 17.8

  1. The presented dose volume values (V18 and V40) are those that showed the highest area under the receiver operating characteristic curve (AUC) values in each case