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The Stroke Activity Scale: results of a validity study
N F Horgan1, C J Cunningham, D Coakley
1School of Physiotherapy, Royal College of Surgeons in Ireland, Dublin, Ireland. fhorgan@rcsi.ie
Purpose:
To establish the concurrent validity and time to complete of the Stroke Activity Scale (SAS) a recently developed stroke motor disability scale designed for use in a busy clinical setting.
Method:
Forty-one stroke patients with residual hemiplegia were recruited and assessed on a single occasion using both the SAS (five items) and modified Motor Assessment Scale (MMAS) (eight items) by a research physiotherapist. Performance was videotaped and assessed subsequently by a second physiotherapist.
Results:
Pearson's correlation coefficient between the two measures was 0.91. The SAS was significantly quicker to complete than the MMAS (2.8 vs. 10.4 min, p < 0.0001).
Conclusion:
The SAS had high concurrent validity with the MMAS but was much quicker to complete and therefore more suitable for use in clinical environments where time is at a premium.
