SESSION TYPE: COPD Posters II
PRESENTED ON: Wednesday, October 24, 2012 at 01:30 PM - 02:30 PM
PURPOSE: The COPD Assessment Test™ (CAT) is a valid, short, simple 8-item questionnaire for assessing and monitoring health status in COPD. The CAT has been translated into various languages and validated for use and correlates very well with other supplementary COPD questionnaires. Using the Filipino version of the COPD Assessment Test, we would like to determine the relationship between CAT score and daily COPD symptoms in stable patients as well as the change in CAT score during recovery from an exacerbation.
METHODS: The stable COPD arm had 31 subjects with mean age 63.39 ± 8.60 years, 9% female, mean FEV1 59.23 ± 18.07 % predicted completed the CAT at baseline, day 7 and day 14. They also completed a daily diary for 14 days to record their overall activity (‘usual’,‘more than usual’, ‘less than usual’) and their overall COPD health (‘usual’, ‘good’ or ‘bad’). A composite activity quality day score was calculated based on a combination of ‘good’/’usual’/’bad’ days and overall activity rating. The exacerbated COPD arm had 9 subjects with mean age 66.44 ± 6.29 years, 11% female, mean FEV1 45.56 ± 15.57 % predicted, completed the CAT on the day they presented with an exacerbation, at day 7 and 14 days later.
RESULTS: Stable COPD: The correlation between baseline CAT and the composite activity quality day scores in stable patients was r=0.367 (p<0.0001) at the end of 2 weeks. 19% of stable patients reported having ≥1 bad day in the 14 day period. The correlation between CAT scores and the number of bad days in the previous 14 days was 0.424 (p<0.001) during the 1st week. Exacerbated COPD: The Mean change in CAT scores was 3.5 ± 3 units for week 1 (p<0.001) and 4.2 ± 1.7 units for week 2 (p<0.001). In the nine patients judged to have responded to treatment for their exacerbation during the first week, an improvement of ≥1 CAT unit was seen in 88.88% and ≥3 CAT units in 77.78%. In responders during the second week, an additional improvement of ≥1 CAT unit was seen in 100% and ≥3 CAT units in 77.78%. CAT scores decreased as the patient improved.
CONCLUSIONS: CAT scores are correlated with patient-reported daily activity and frequency of ‘bad days’. The CAT can detect improvements in overall COPD health status associated with recovery from acute exacerbations.
CLINICAL IMPLICATIONS: The CAT is a simple, self-administered tool for health status assessment among COPD patients now available in Filipino language.
DISCLOSURE: The following authors have nothing to disclose: Roland Panaligan, Lucky Cuenza, Isaias Lanzona
No Product/Research Disclosure InformationUST Hospital, Manila, Philippines