Table 2.
Hospitalized Patients With Abnormalities Consistent With Early Respiratory Insufficiency at Each Time Point Prior to Diagnosis of ALI
| Number of Clinical Abnormalitiesa | 48 Hours | 24 Hours | 12 Hours |
|---|---|---|---|
| 0/3 | 7 (17%) | 5 (9%) | 4 (6%) |
| 1/3 | 7 (17%) | 12 (23%) | 10 (15%) |
| 2/3 | 11 (27%) | 14 (26%) | 22 (32%) |
| 3/3 | 16 (39%) | 22 (42%) | 32 (47%) |
| Total patients admitted to hospital | 41 | 53 | 68 |
Abbreviation: ALI, acute lung injury.
a
Clinical abnormalities: acute onset of bilateral infiltrates on chest radiograph, respiratory rate greater than 20, and/or greater than 2 L of oxygen requirement.