Table 1:
Patient Characteristics of ARDS Validation Cohort
| Patient Characteristics | Patients with ARDS (n=110) | Patients without ARDS (n=125) | P-value |
|---|---|---|---|
| Age, years, mean (sd) | 55 (16) | 60 (16) | 0.020 |
| Female, n (%) | 56 (51) | 67 (54) | 0.779 |
| Race, n (%) | |||
| Black | 63 (57) | 90 (72) | 0.040 |
| White | 40 (36) | 27 (22) | |
| Other | 7 (6) | 8 (6) | |
| Primary Diagnosis, n (%) | |||
| Acute Respiratory Failure | 15 (14) | 32 (26) | 0.001 |
| Cardiovascular Disease/ CHF | 2 (2) | 6 (5) | |
| Chronic Lung Disease | 4 (4) | 13 (11) | |
| Hepatitis/Liver Failure | 13 (12) | 6 (5) | |
| Kidney Failure | 2 (2) | 4 (3) | |
| Malignancy | 10 (9) | 8 (7) | |
| Sepsis/Infection | 53 (48) | 33 (27) | |
| Other | 11 (10) | 22 (18) | |
| P/F ratio, mean (sd) | 138 (68) | 190 (71) | <0.001 |
| Number of qualifying X-ray reports, median (IQR) | 4 (3–5) | 4 (3–5) | 0.446 |
| Number of qualifying CT reports, median (IQR) | 1 (0–1) | 0 (0–1) | 0.823 |
| Length of hospital stay, days, median (IQR) | 14 (8–19) | 9 (5–15) | <0.001 |
| Length of ICU stay, days, median (IQR) | 8 (5–11) | 4 (3–8) | <0.001 |
| In-hospital deaths, n (%) | 37 (34) | 22 (18) | 0.007 |