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PT Provider Roundtable

PT Provider Roundtable. Chuck Wibby College of New Jersey February 26, 2004. Establishing Acceptance Limits. NELAC Acceptance Limits. Fixed Limits + 15% Centered on assigned value (100% concentration) Regression equations Centered on expected mean recovery Regression equation SDs

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PT Provider Roundtable

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  1. PT Provider Roundtable Chuck Wibby College of New Jersey February 26, 2004

  2. Establishing Acceptance Limits

  3. NELAC Acceptance Limits • Fixed Limits • +15% • Centered on assigned value (100% concentration) • Regression equations • Centered on expected mean recovery • Regression equation SDs • Combinations • Centered on study mean • Regression equation SDs

  4. Regression equations

  5. Regression equations • Y = mx + b • a, b, c, d???? • Predicted mean = (Assigned Value * a) + b • Predicted SD = (Assigned Value * c) + d • WS Acceptance Limits = Pred mean + 2 * Pred SD • WP Acceptance Limits = Pred mean + 3 * Pred SD

  6. Manufacturing

  7. Verification

  8. Homogeneity

  9. Post Study

  10. Stability

  11. Post Study

  12. Thank You! Keith Ward 303-940-0033, ext 202 kward@wibby.com Chuck Wibby 303-940-0033, ext 201 cwibby@wibby.com Ty Garber 303-940-0033, ext 213 tgarber@wibby.com

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