Fig. 4From: Improvement of antibiotic therapy and ICU survival in severe non-pneumococcal community-acquired pneumonia: a matched case–control studyKaplan-Meier survival curve stratified for monotherapy versus combined therapy. a The whole population (log rank p < 0.01); b patients with shock (log rank p < 0.01); c patients under mechanical ventilation (log rank p < 0.01). ICU intensive care unitBack to article page