Included studies: patient characteristics
| Author country | Study type/period | Demographics | Setting | Inclusion | Illness severity | Mechanical ventilation |
|---|---|---|---|---|---|---|
| Lichtenstein et al 2004,18 France | Cohort, likely 1993–1997 | n=32, Age 58+/-15 (SD), M:F Not stated | Surgical ICU | ARDS, (pneumonia 18, pulmonary contusion 4, aspiration pneumonia 4, fat embolism 1, septic shock 3, cardiopulmonary bypass 2) | Lung injury severity score 2.6±0.8 (SD), (ie, severe), ARDS severity score of 11±6 (SD), Mortality 42% | All |
| Lichtenstein et al 2004,19 France | Cohort, period not stated | n=60, Age 53 (range 20–84), M:F 37:23 | Medical ICU | Patients with critical illness requiring chest CT | Not stated | 30/60 |
| Xirouchaki et al 2011,20 Greece | Cohort, period not stated | n=42, Age 57.1±21.5 (SD), M:F 34:8 | Mixed ICU | Patients with critical illness requiring chest CT (sepsis/multiorgan failure 18, trauma 11, Airways disease 7, pulmonary oedema 2, post-operative respiratory failure 2) | APACHE2 16.5±6.5 (SD) | All |
| Refaat, Abdurrahman 2013,21 Egypt | Cohort, 2012–2013 | n=90, Age 50 (45–65), M:F 55:35 | Chest ICU | Respiratory failure (pneumonic consolidation 16, lung cancer 7, lung metastases 7, pleural effusion 36, pneumothorax 12, hydropneumothorax 6, mesothelioma 7) | Not stated | Not stated |
APACHE2, Acute Physiology and Chronic Health Evaluation II; ARDS, acute respiratory distress syndrome; F, female; ICU, intensive care unit; M, male; n, number.