Coefficient | Concordance |
0.93 a 1.00 | Excellent |
0.81 a 0.92 | Very Good |
0.61 a 0.80 | Good |
0.41 a 0.60 | Regular |
0.21 a 0.40 | Low |
0.01 a 0.20 | Poor |
≤0.00 | Zero |