The Science Journal of the American Association for Respiratory Care

1997 OPEN FORUM Abstracts

CRTT EXAMINATION RESULTS ARE INVERSELY RELATED TO THE NUMBER OF YEARS OF CLINICAL EXPERIENCE WITHIN THE STAFF OF A LARGE, UNIVERSITY AFFILIATED TEACHING HOSPITAL.

Russell T. Reid, RRT, CPFT, David Wheeler, RRT, Ken Hargettt, RRT, and Cathy Meents, RRT The Methodist Hospital, Houston, Texas.

We sought to determine if a significant statistical relationship exists between the knowledge, skills and abilities of Respiratory Care Practitioners and the number of years of clinical experience they posses. Methods: An entry level CRTT examination, distributed by the National Board For Respiratory Care (NBRC) in a "CRTT Study Guide", was administered to 77 Respiratory Care Practitioners (RCPs) employed by the Respiratory Care Services Department. Statistical analysis consisted of correlation and linear regression with p < .05 considered significant. Statistical analysis was performed using a commercially available statistical software package (Exstatix, Select Micro Systems, Yorktown Heights, NY) and results were adjusted for sample size. Results:

Sample Mean Mean Correlation Coefficient

Size Experience Examination Coefficient of Determination

and Staff (± S.D.) Score(± S.D.) (r^{2})

Credentials

n=77 9.87 years 82.51% -0.447 0.200*

(± 6.59) (± 7.93%)

* p < .05

The coefficient of determination demonstrates a statistically significant relationship between the staff's knowledge, skills and abilities and the number of years of clinical experience. When adjusted for sample size the number of years of experience accounted for 20% of the differences in test scores. The general trend demonstrated was an inverse relationship, with examination scores decreasing with an increasing number of years of clinical experience. Conclusion: Many factors account for differences in individual examination scores. Performance on the CRTT examination within our staff was adversely effected by the number of years of clinical experience or from another perspective an increasing length of time from their date of graduation from an accredited Respiratory Care education program. We believe this points to the need for an increased level of continuing education provided either through an accredited program or alternatively by the employer.

OF-97-037

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