Objective Evaluate the performance of the encephalon state index (ESI) in depth of anesthesia monitoring during clinical surgery, compared with the bispectral index (BIS).
Methods ESI and BIS data were collected from 60 patients in a single-center clinical trial to compare their efficacy in measuring the depth of anesthesia.
Results Consistency analysis revealed mean differences and standard deviations of －0.18 ± 5.42 and －0.11 ± 6.51 between ESI and BIS for awake and anesthetized states, respectively. Correlation analysis showed a correlation coefficient of 0.92 throughout the operative period. Prediction probability analysis indicated that both ESI and BIS had prediction probabilities of 0.97, effectively predicting anesthesia status.
Conclusion ESI and BIS show good equivalence in monitoring depth of anesthesia during clinical surgery, which meet the requirements of clinical anesthesia.
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