Table 2 Exclusion criteria.
From: Towards the prevention of acute lung injury: a population based cohort study protocol
Exclusion Criteria | Justification |
|---|---|
Acute lung injury or pulmonary edema already present at the time of hospital admission | Unable to assess for development of outcome of interest |
Admitted for comfort or hospice care only | Missing predictor and outcome variables |
Denied the use of medical records for research (~5%) | Self explanatory |
Patients admitted for cardiac telemetry, coronary care unit, low risk elective surgeries, labor and delivery | Very low risk of outcome of interest |
Children | Different risk factors and outcome |
Hospital readmission | Complexity of analysis |
Hospital transfer | Exposure to health care interventions |