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Life cycle calculation formula.
| No | A | Vs. | B | C |
|---|---|---|---|---|
| 1 | A | < | B | Aug {Aug (A,B),B} |
| 2 | A | ≥ | B | B |
A, Average life cycle in Public Procurement Service and the American Hospital Association; B, Average research on usage of medical devices at Samsung Medical Center; C, Recommended life cycle.
