Abstract：
:We evaluated the ability of a previously derived outcome predictor to discriminate between ECG segments corresponding to return of spontaneous circulation (ROSC) or not in validation data from 136 patients with cardiac arrest. The new data used for validation were totally independent from the predictor derivation data used in the original study. Features corresponding to those used in the development of the original outcome predictor, centroid frequency, peak power frequency, spectral flatness and energy, were computed following which a second decorrelated feature set was generated. The outcome predictor was applied to the new data with good correspondence in performance (testing) to what was expected (training) with receiver operator characteristics (ROC) areas of 0.80 and 0.79, respectively. Outcome predictor performance was reproducible. As in the present study, future testing should be performed on totally independent data not included in the design of the outcome predictor to get a reliable impression of expected performance.
journal_name
Resuscitationjournal_title
Resuscitationauthors
Eftestøl T,Losert H,Kramer-Johansen J,Wik L,Sterz F,Steen PAdoi
10.1016/j.resuscitation.2005.05.006keywords:
subject
Has Abstractpub_date
2005-10-01 00:00:00pages
55-61issue
1eissn
0300-9572issn
1873-1570pii
S0300-9572(05)00213-3journal_volume
67pub_type
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