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Table 1 Patients’ characteristics

From: RapidPlan knowledge based planning: iterative learning process and model ability to steer planning strategies

   Model
Number of patients Patients 83
Tumour site Nasopharyngeal 16 patients
Oropharyngeal 41 patients
Hypopharyngeal and laryngeal 26 patients
PTV_69.96Gy volume Mean ± SD [range], cm3 270.3 ± 15.0 [31.3, 641.9]
PTV_54.45Gy volume Mean ± SD [range], cm3 421.4 ± 18.4 [187.0, 1048.9]
Parotids volume Mean ± SD [range], cm3 27.7 ± 0.7 [11.8, 72.9]
Oral cavity volume Mean ± SD [range], cm3 126.1 ± 2.6 [37.0, 162.4]
Larynx volume Mean ± SD [range], cm3 50.2 ± 3.1 [15.8, 99.5]
Thyroid volume Mean ± SD [range], cm3 19.1 ± 1.5 [5.3, 59.9]
Spinal cord volume
Spinal cord length
Mean ± SD [range], cm3
Mean ± SD [range], cm
33.3 ± 1.1 [12.3–61.4]
20.5 ± 0.6 [12.9–37.2]
Brain stem volume Mean ± SD [range], cm3 21.6 ± 0.8 [9.4–37.0]
  1. SD error of the mean