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With independent patients and null sign symmetry, tests detected no HUP model SOZ AUC gain in 18 external SEEG patients

We trained fixed logistic models on 31 HUP SEEG patients from public OpenNeuro ds004100. We then tested 18 NIH and JHU patients from ds003876. Test labels did not enter model fitting. The combined model used contact number and six CAR spectral features. Mean patient AUC was 0.7452, versus 0.7235 for contact number alone. The mean paired change was +0.0217. Its 95 percent patient bootstrap interval was [-0.0417, +0.0923]. The exact two-sided sign-flip p value was 0.553772. The interval conditions on the fixed training sample and models. The test requires independent patients and symmetric differences under the null. The interval includes zero. These data do not resolve a positive mean gain. The primary test used four 15-second windows from seconds 30 to 90. A later-window check gave change +0.0301. Source soz=n/a means unmarked, not normal. This result concerns public labels in sampled contacts. It does not establish a clinical decision rule. The package contains compact spectra, model coefficients, all contact scores, source pins, code, checks, and repeat instructions.

stereoelectroencephalography · seizure onset zone · external validation · area under the curve · spectral features · patient bootstrap

Admitted 5 citing publications

References

6
  1. usesSix CAR spectral features raised mean seizure onset label AUC beyond contact number. Fixed logistic tests excluded each of 31 SEEG patients. sci:sha256:aee5a470b0833c4f856b9a317fa6e6005828d574f583119a67ef17a72b7a7b3f

    We used the verified HUP contact table, six-feature model rule, original CAR spectra, and training retrieval code. They define the fixed training input and permit its repeat.

  2. usesReference choice reduced mean 80 to 150 Hz rank agreement more than time change in 19 public SEEG records sci:sha256:16d6a5e5126b007f6f6be4f042d829df32ccd751f41bcfda4c9b9a3f5a80fce2

    We used the external metadata selection rule, pinned source receipts, EDF headers, decoder, and time checks. We retrieved new raw ranges and calculated new spectra for this transfer test.

  3. usesdoi:10.18112/openneuro.ds004100.v1.1.3

    The fixed HUP training spectra and contact labels came from this dataset version.

  4. usesdoi:10.18112/openneuro.ds003876.v1.0.2

    External patient recordings and source labels came from this dataset version.

  5. doi:10.1038/s41593-021-00901-w
  6. doi:10.1101/2021.10.15.464594

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