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

Table 1 Patients’ characteristics

		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]