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Table 2 Index parameters of the treatment plan

From: A Japanese prospective multi-institutional feasibility study on accelerated partial breast irradiation using interstitial brachytherapy: treatment planning and quality assurance

Variable Mean ± SD (Range)
Vref (cm3) 117 ± 56 (40 – 282)
DNR 0.30 ± 0.05 (0.22 – 0.51)
Clip dose (cGy) 784 ± 224 (469 – 3146)
Max skin dose (cGy) 521 ± 73 (223 – 607)
CTV V1.5ref (cm3) 39 ± 18 (12 – 98)
CTV V2.0ref (cm3) 15 ± 9 (5 – 58)
CTV V100 (cm3) 63 ± 27 (25 –129)
CTV V90 (cm3) 63 ± 28 (26 – 131)
CTV D100 (cGy) 565 ± 125 (146 – 624)
CTV D90 (cGy) 680 ± 97 (225 – 731)
CTV Mean dose (cGy) 927 ± 80 (760 – 1092)
Conformity Index 2.07 ± 0.84 (1.07 – 4.45)