Staff relatedd Overheadse per coursef (delivery + associated) Depreciation & interest costs Depreciationg Interesth Total per coursef (delivery + associated + depreciation & interest) 3D-CRT linac=$375,000/414 courses ($906); IMRT linac=$442,500/414 courses ($1,068) = difference of $163. Paid for the capability a to conduct IMRT, but only applied in 30% of cases, thus increment is $163/30% = $543. Total cost for IMRT = $906+$543 = $1,449 b additional $1.00/attendance for additional power c additional $1.00/attendance for additional data d 3.0% for staffing costs e 5.0% for staffing costs f total costs calculated for 3D-CRT and IMRT excluding utility and communications costs as these could not be elucidated from the available data. Incremental costs include these variables. 3D-CRT linac=$607,798/414 courses ($1,468); IMRT linac=$772,798/414 courses ($1,867) = difference of $399. Paid for the capability to conduct IMRT, but only applied in 30% of cases, thus increment is $399/30% = $1,329. Total depreciation for IMRT = $1,468+$1,329 = $2,797 3D-CRT courses *3.8% ($354); IMRT linac=$5,057,500/414 courses * 3.8% ($464) = difference of $110. Paid for the capability to conduct IMRT, but only applied in 30% of cases, thus increment is $110/30% = $366. Total interest for IMRT = $354+$366 = $720
Staff relatedd Overheadse per coursef (delivery + associated) Depreciation & interest costs Depreciationg Interesth Total per coursef (delivery + associated + depreciation & interest) a 3D-CRT linac=$375,000/414 courses ($906); IMRT linac=$442,500/414 courses ($1,068) = difference of $163. Paid for the capability to conduct IMRT, but only applied in 30% of cases, thus increment is $163/30% = $543. Total cost for IMRT = $906+$543 = $1,449 b additional $1.00/attendance for additional power c additional $1.00/attendance for additional data d 3.0% for staffing costs e 5.0% for staffing costs f total costs calculated for 3D-CRT and IMRT excluding utility and communications costs as these could not be elucidated from the available data. Incremental costs include these variables. 3D-CRT linac=$607,798/414 courses ($1,468); IMRT linac=$772,798/414 courses ($1,867) = difference of $399. Paid for the capability to conduct IMRT, but only applied in 30% of cases, thus increment is $399/30% = $1,329. Total depreciation for IMRT = $1,468+$1,329 = $2,797 3D-CRT courses *3.8% ($354); IMRT linac=$5,057,500/414 courses * 3.8% ($464) = difference of $110. Paid for the capability to conduct IMRT, but only applied in 30% of cases, thus increment is $110/30% = $366. Total interest for IMRT = $354+$366 = $720
1182FinalPSD-IMRT-Accessible.docx