Welcome to dgrhoads.com, the online home of David G. Rhoads Associates, your source for specialty software, training, and consulting services in the clinical laboratory for 25 years.

 Our Products

EP Evaluator™ Release 8 is now available! It includes three new INR modules, Simple Inventory System (SIS), and a Self Test feature.

Details
Download the free demo.
Price List and Brochure.

EP Evaluator™ Releases 4-7, and CLIA have been replaced by Release 8.

Clinical Chemistry 51, No. 6, 2005:  "In summary, this software provides a comprehensive collection of statistical applications guaranteed to fit the needs of most clinical laboratories. Comprehensive and professional- looking summary reports are the norm for all modules." [Read the full review]

EP Evaluator™ Online gives standard EP Evaluator reports over the Internet. No software to purchase - No installation of executables - No capital expenditure. Full Details Here.

Lab Statistics Manual   covers CLIA regulations, statistical principals, and the design and interpretation of Method Validation Experiments in the clinical laboratory. Our president, Dr. Rhoads, also offers a one-day Lab Statistics--Fun and Easy workshop based on the manual.

 Feature Articles

Rhoads Reporter, Sept 2006. Periodic newsletter, in PDF format..

Quality Assurance at Rhoads Associates. Rhoads Associates is strongly committed to providing a quality product at a reasonable price. This article describes our testing and validation approach.

Establishing Performance Standards: A Practical Approach. Slides from Dr. Rhoads' presentation to Philadelphia local section of the AACC on January 18, 2005. This is a 75-page PDF file. Left-click the title link above to read it in your browser. Right-click the link to save as a file on your local computer.

What's Our IQ?  Installation Qualification tips  -- what to check before your IT support person walks out the door.

Print an INR Table. The International Normalized Ratio (INR) was introduced by the World Health Organization (WHO) in 1983 to provide common basis for the interpretation of PT results independent of the sensitivity of the thromboplastin reagent used. This calculator computes and prints an INR table.

Allowable Total Error  Several of the EP Evaluator statistical modules ask the user to input Allowable Total Error. This article defines Allowable Error, discusses where to get a value for it, and presents a calculator to help you do it.

More in the Article Archive

Incident Tracking Release Notes Did you just upgrade to EE8 Build 100 and get asked for a user id and password when you ran Incident Tracking? See the Release Notes for description of Incident Tracking changes. Free trials! Visit our Downloads Page for a free demo of  EP Evaluator Release 8. Spring Workshops Torrance, CA -- April 10-11 TWO-DAY WORKSHOP ON QUALITY ASSURANCE, sponsored by the Southern California section of the AACC. Day 1: Design and Interpretation of Method Evaluation Experiments on Quality Assurance Performance. Day 2: Hands-on Exercises in using Software to Effective Solve QA Issues using EP Evaluator™ Release 8.  Registration for this workshop is being handled by SoCal AACC. Download a registration form! Chicago, IL -- May 1-2 Norfolk, VA -- May 8-9 Long Island, NY -- May 22-23 These additional two-day workshops are scheduled for May, with topics similar the Torrance workshop. Registration for these workshops will be handled by Rhoads Associates. Download a registration form! Free, Live, Interactive Webcasts We are currently hosting regular monthly/weekly webcasts on selected EP Evaluator topics. A "Webcast" is a a conference call, but with added ability to see the presenter's computer screen. This mean we can give you a hands-on demonstration of how to work with EP Evaluator. Each session lasts 60-90 minutes. Topics currently scheduled: Overview of EP Evaluator (weekly), Rapid Results Entry (monthly), Establishing Performance Standards (monthly), Inventory (monthly), and Incident Tracking (monthly). All you need to participate is a browser, a high-speed Internet connection, and a telephone. More information, or sign up for a session.

 On-line Training!

Visit the training site, and learn to use EP Evaluator by watching it run. A little flavor: