Key result
COSMOS shows substantial interrater reliability with a Cohen κ of ~0.77 in minor stroke.
Effect estimate: Cohen κ 0.77 (95% CI 0.72-0.84)
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The newly proposed COSMOS scale demonstrated substantial interrater and intrarater reliability for assessing functional outcomes in minor stroke.
Goyal et al. (2025) studied Minor stroke (n=33). Canadian Outcome Scale for Minor Stroke (COSMOS) was evaluated on Interrater reliability (Cohen κ 0.77, 95% CI 0.72-0.84). The Canadian Outcome Scale for Minor Stroke (COSMOS) demonstrated substantial interrater reliability (Cohen κ 0.77; 95% CI 0.72-0.84) and almost-perfect intrarater reliability (Cohen κ 0.85).
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