Table 5 Application scenarios of different Models.

From: Modified RECIST submodels and ordinal regression model predict neoadjuvant chemoimmunotherapy response in locally advanced gastric cancer​​

Model

AUC: TRG 0–2 vs. TRG 3

AUC: TRG 0–1 vs. TRG 2–3

Applicable Scenarios

RECIST_Expansion

0.915

0.778

RECIST 1.1 protocol (lymph node evaluation only)

UC_RECIST

0.909

0.804

CT-US Combined Protocol (gastric lesions as measurable targets)

CT_RECIST

0.933

0.842

CT-Only Protocol (for no-US institutions)

V_RECIST

0.951

0.868

Multimodal Volume Integration (geometric approximation)

U_RECIST

0.906

0.811

US-Only Protocol (enables high-frequency assessments)

Nomogram

0.952

0.870

Ordinal regression nomogram: Predictive visualization tool

  1. US: Ultrasound, TRG: Tumor Regression Grade, RECIST: Response Evaluation Criteria in Solid Tumors, CT: Computed Tomography, AUC: Area Under the Curve.
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