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Table 1 Confusion matrix of the 5-stage analysis between the automatic staging method and expert consensus

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

  Automatic staging
Wake NREM1 NREM2 TS REM Total
Expert consensus
 Wake 77,822 1747 231 154 486 80,440
 NREM1 3807 41,452 1576 718 591 48,144
 NREM2 499 1207 19,663 5 60 21,434
 TS 152 907 51 4013 206 5329
 REM 156 175 24 191 12,763 13,309
 Total 82,436 45,488 21,545 5081 14,106 168,656
 SE (%) 94.4 91.13 91.26 78.98 90.48  
 SP (%) 96.96 94.57 98.8 99.2 99.65  
 PPV (%) 96.75 86.1 91.74 75.3 95.9  
 NPV (%) 94.77 96.65 98.72 99.35 99.14  
Overall agr. (%) 92.32
Kappa 0.88