Table 1

The weighted-kappa guideline

Weighted-kappa

Agreement strength

0.0 ≤ K ≤ 0.2

Poor

0.2 <K ≤ 0.4

Fair

0.4 <K ≤ 0.6

Moderate

0.6 <K ≤ 0.8

Good

0.8 <K ≤ 1.0

Very good

Swift et al. Genome Biology 2004 5:R94   doi:10.1186/gb-2004-5-11-r94