Hologic Discovery QDR vs Hologic Discovery Wi
Hologic Discovery QDR and Hologic Discovery Wi: compare documented specifications, features and limitations. Check the reports and explanation offered by the provider. More features alone do not establish better accuracy.
Hologic Discovery QDR: when to consider it
Discovery QDR is a family of DXA bone densitometers. The manual lists spine, hip and forearm testing across the series and whole-body scanning on A, W and Wi. A generic QDR Discovery designation does not establish whole-body analysis at a specific location.
Hologic Discovery Wi: when to consider it
Discovery Wi is a specific Discovery QDR DXA densitometer. Its manual includes spine, hips, forearm and whole-body scanning; additional applications may be optional. Check the location’s service description for fat and lean-tissue analysis.
Specifications side by side
Highlighted rows differ. Unknown values stay unknown.
| Specifications | Hologic Discovery QDR | Hologic Discovery Wi |
|---|---|---|
| Method | DXA | DXA |
| Measurement position | Supine | Supine |
| Documented outputs | Bone density; whole-body scan depending on variant | Spine, hip and forearm bone density; whole-body scan |
| Designation scope | Family; model letter unknown | Not verified |
Fat-free mass is not pure muscle mass. A single result is not a diagnosis. Different devices and similarly named metrics may use definitions that are not interchangeable.