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. 2010 Sep 20;11:215. doi: 10.1186/1471-2474-11-215

Table 2.

Associations between baseline and 6 month follow-up assessments of hallux valgus using the Manchester scale (i.e. re-test reliability).

κw (95% CI) % agreement
Left foot 0.88 (0.81 to 0.89) 98.1
Right foot 0.90 (0.89 to 0.91) 97.9
Both feet 0.78 (0.77 to 0.81) 95.8

κw = weighted kappa statistic, CI = confidence interval.