Baseline ¹<sup>8</sup>F-FDG PET/CT radiomics predict early progression and survival in small cell lung cancer.

Variables demonstrating a trend toward significance ( p < 0.10) in the univariable analysis were entered into multivariable models using a backward stepwise approach, while age, stage, and ECOG performance status were additionally forced into the multivariable models due to their well-established clinical relevance in SCLC, and results were reported as hazard ratios (HR) with 95% confidence intervals (CI).

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LogTLG showed a trend but did not reach statistical significance (AUC 0.643, 95% CI 0.134–1.152; p = 0.093).

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