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Antibiotic utilization for de-escalation therapy in patients with HCAP. Gray-shaded column Culture-negative patients (n = 55), open column culture-positive patients (n = 22), black- shaded column combined groups (culture-positive + culture-negative patients; n = 77). Other Augmentin, azithromycin, cefepime, ceftazidime, ciprofloxacin, levofloxacin, linezolid, meropenem, vancomycin
