The COPD Assessment Test: What Do We Know So Far?

CAT may be used as a complementary tool in a patient's clinical assessment to predict COPD exacerbation, health status deterioration, depression, and mortality. The interpretation of this meta-analysis does not support the use of the recommended cutoff points of ≥10 for CAT and ≥2 for mMRC as equivalents for the purpose of assessing patient symptoms.