Characteristic | Normal Chest Radiograph (N = 1503) | Abnormal Chest Radiograph (N = 1683) | p-value |
---|---|---|---|
Mean ± SD or No. (%) | |||
Death within 30 days | 8 (0.5 %) | 27 (2 %) | 0.004 |
Hospitalization within 30 days | 108 (7 %) | 141 (8 %) | 0.21 |
ER revisit within 30 days | 385 (26 %) | 409 (24 %) | 0.39 |
Age, yr. | 52 ± 20 | 51 ± 20 | 0.04 |
Age, yr. | |||
<65 | 1049 (70 %) | 1229 (73 %) | 0.04 |
≥65 | 454 (30 %) | 454 (27 %) | |
Male | 801 (53 %) | 893 (53 %) | 0.90 |
Nursing Home | 60 (4 %) | 74 (4 %) | 0.57 |
PSI continuous | 54 ± 28 | 55 ± 30 | 0.14 |
PSI Risk Class | 251 (17 %) | 240 (14 %) | 0.04 |
Class I | 862 (57 %) | 996 (59 %) | |
Class II | 222 (14 %) | 240 (14 %) | |
Class III | 153 (10 %) | 171 (10 %) | |
Class IV | 15 (1 %) | 36 (2 %) | |
Class V | |||
Comorbidities | |||
Diabetes | 125 (8 %) | 107 (6 %) | 0.03 |
Cardiovascular Disease | 267 (18 %) | 256 (15 %) | 0.05 |
Malignancy | 67 (4 %) | 101 (6 %) | 0.05 |
Chronic Kidney Disease | 29 (2 %) | 40 (2 %) | 0.39 |
COPD | 125 (8 %) | 135 (8 %) | 0.76 |
Functional Status | 0.30 | ||
Independent Mobility | 1433 (95 %) | 1591 (95 %) | |
Impaired Mobility | 70 (5 %) | 92 (5 %) | |
Influenza vaccination | 35 (2 %) | 48 (3 %) | 0.35 |
Pneumococcal vaccination | 32 (2 %) | 47 (3 %) | 0.23 |