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. Author manuscript; available in PMC: 2020 Mar 24.
Published in final edited form as: Curr Rheumatol Rep. 2018 Oct 13;20(12):74. doi: 10.1007/s11926-018-0784-7

Table 1.

Comparison of CT methods used for evaluation of osteoporosis

CT method Additional requirements Calibration accuracy Research utility Clinical utility Additional cost
Traditional QCT with synchronous BMD phantom Proprietary software and phantom High High Medium High
Synchronous internal calibration without BMD phantom Proprietary software Medium Medium Medium Low
Asynchronous external calibration with BMD phantom Proprietary software and phantom Medium Medium Medium Medium
Asynchronous external calibration with non-BMD (ACRad) phantom None Low Medium High None