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Abstract
The minimum important difference (MID) for the incremental shuttle walk test (ISWT) in individuals with long covid is estimated to be between 35 and 60.7 meters.
- 397 participants with long covid completed a 6-week rehabilitation program and reported perceived change using the Global Rating of Change Scale (GRCS).
- Participants reporting slight improvement in their condition increased their ISWT distance by an average of 60.7 ± 85.9 meters.
- Change in ISWT distance varied significantly across GRCS categories (p<0.05).
- Receiver operating characteristic analysis identified an optimal cut-off of 35 meters for meaningful change, with an area under the curve of 0.70.
- Distribution-based methods provided MID estimates of 40.1 meters and 52.5 meters, reinforcing the range of 35-60.7 meters.
Simplified
Long Covid