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Table 4 Definitions of levels of agreement for reliability study scores

From: Review of methods used by chiropractors to determine the site for applying manipulation

Kappa Intra-class correlation
Range Definition Range Definition
< 0 Less than chance < 0.4 Poor
0.01–0.20 Slight 0.4-0.75 Moderate
0.21– 0.40 Moderate 0.75-0.9 Good
0.61–0.80 Substantial > 0.9 Excellent
0.81–0.99 Near perfect