Notably, while the formal interaction tests for treatment strategy did not reach statistical significance within the individual Stanford A ( p for interaction = 0.084) and Stanford B ( p for interaction = 0.362) cohorts, a clear and clinically meaningful divergence persisted.
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Admission Shock Index Is an Independent Predictor of In-Hospital All-Cause Mortality in Patients With Acute Aortic Dissection and Intramural Hematoma.
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This significant linear trend remained consistent across different disease classifications: patients with Stanford A exhibited a significant overall association (P‐overall = 0.022) that was purely linear (P‐nonlinear = 0.639), while patients with Stanford B similarly demonstrated a highly significant overall linear association (P‐overall = 0.001, P‐nonlinear = 0.283) (Figure 4 ).