Table 1.

Response options to minimal important change anchor question and classification into importantly improved or not

Classification of importance/Response options
Importantly improved
n Better, an important improvement
n Somewhat better, but enough to be an important improvement
Not importantly improved
n Very small change, not enough to be an important improvement
n About the same
n Very small change, not enough to be an important deterioration
n Somewhat worse, but enough to be an important deterioration
n Worse, an important deterioration