Fig. 1From: Epidemiology of mechanically ventilated patients treated in ICU and non-ICU settings in Japan: a retrospective database studyThe selection of patients. Among patients who received invasive mechanical ventilation (MV), those who were younger than 18 years, those who received MV for fewer than 3 days, those who stayed in hospital for more than 60 days, and those who had a major diagnosis of cancer were excluded; 17,775 patients were ventilated only in non-ICU settingsBack to article page