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Table 7 Confusion matrix of the agreement by method of Neckelmann et al. (a) and our method (b)

From: Development of a rule-based automatic five-sleep-stage scoring method for rats

(a) Automatic staging [20]
  Wake NREM1 NREM2 TS REM
Expert consensus
 Wake 85.14 11.80 1.72 0.02 1.32
 NREM1 2.74 71.51 22.90 1.10 1.76
 NREM2 0.32 9.12 89.94 0.03 0.59
 TS 0.00 17.66 5.49 72.55 4.30
 REM 2.94 1.73 0.00 0.81 94.52
Overall agr. (%) 82.63
Kappa 0.78
(b) Automatic staging
  Wake NREM1 NREM2 TS REM
Expert consensus
 Wake 94.4 4.62 0.61 0.18 0.19
 NREM1 3.84 91.13 2.65 1.99 0.38
 NREM2 1.07 7.31 91.26 0.24 0.11
 TS 3.03 14.13 0.10 78.98 3.76
 REM 3.45 4.19 0.43 1.46 90.48
Overall agr. (%) 92.32
Kappa 0.88