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Impact of admission SHR on the risk of hospitalization for chest pain in INOCA patients. A: INOCA patients with SHR >1 exhibited a significantly shorter time to rehospitalization compared to patients with SHR ≤1. Data are means ± SE. *P < 0.001. B: Kaplan-Meier curves showing that INOCA patients with SHR >1 had a significantly higher risk of hospitalization compared to patients with SHR ≤1. Inset: Kaplan-Meier curves in the propensity score-matched groups.
