From: Sleep stage and obstructive apneaic epoch classification using single-lead ECG
Classification | Sleep Stages | Total | |||||
---|---|---|---|---|---|---|---|
Method | Wake | NREM1 | NREM2 | NREM3 | NREM4 | REM | Accuracy |
kNN | 322/350 | 105/109 | 2159/3773 | 352/390 | 775/943 | 655/836 | 4414/6407 |
= 92% | = 97% | = 58.2% | = 90.3% | = 82.2% | = 78.4% | = 68.9% | |
CKI = 0.95 | CKI = 0.98 | CKI = 0.55 | CKI = 0.95 | CKI = 0.90 | CKI = 0.91 | ||
QDA | 332/350 | 106/109 | 2253/3773 | 366/390 | 821/943 | 695/836 | 4581/6407 |
= 94.9% | = 97.9% | = 59.7% | = 93.8% | = 87.1% | = 83.2% | = 71.5% | |
CKI = 0.97 | CKI = 0.98 | CKI = 0.56 | CKI = 0.96 | CKI = 0.94 | CKI = 0.95 | ||
SVM | 334/350 | 107/109 | 2328/3773 | 368/390 | 824/943 | 709/836 | 4684/6407 |
= 95.6% | = 98.5% | = 61.8% | = 94.3% | = 87.4% | = 84.9% | = 73.1% | |
CKI = 0.98 | CKI = 0.99 | CKI = 0.59 | CKI = 0.98 | CKI = 0.95 | CKI = 0.95 |