Reducing False Alarms of Intensive Care Online-Monitoring Systems: An Evaluation of Two Signal Extraction Algorithms

Table 2

Numbers of threshold alarms regarding ART.S, ART.M, HR, and SpO₂. The percentages marked with * are the proportions of the individual true, advisory, and false alarm rates to all alarms of the respective individual vital parameter.

Annotation	ART.S	ART.M	HR	SpO2	Σ
True	189 (10%*)	54 (11%*)	71 (8%*)	135 (12%*)	449 (10%)
Advisory	981 (53%*)	237 (49%*)	704 (77%*)	110 (10%*)	2032 (47%)
False	680 (37%*)	195 (40%*)	134 (15%*)	869 (78%*)	1878 (43%)
Σ	1850 (42%)	486 (11%)	909 (21%)	1114 (26%)	4359 (100%)