Research Article
Performance of the CORB (Confusion, Oxygenation, Respiratory Rate, and Blood Pressure) Scale for the Prediction of Clinical Outcomes in Pneumonia
Table 1
General characteristics of the population.
| | Variable | Total population (n = 1,811) | Dead (n = 273) | Alive (n = 1,538) | value |
| | Age in years, x (SD) | 72.89 (17.09) | 80.32 (13.21) | 71.57 (17.36) | <0.001 | | Male gender, n (%) | 1025 (56.6) | 154 (56.4) | 871 (56.6) | 0.946 | | Background, n (%) | | | | | | High blood pressure | 1142 (63.1) | 198 (72.5) | 944 (61.4) | <0.001 | | Chronic heart failure | 394 (21.8) | 86 (31.5) | 308 (20.0) | <0.001 | | DM | 268 (14.8) | 47 (17.2) | 221 (14.4) | 0.222 | | Dementia | 304 (16.8) | 95 (34.8) | 209 (13.6) | <0.001 | | Chest X-ray, n (%) | | | | | | Alveolar infiltrates | 1391 (76.8) | 235 (86.1) | 1156(75.2) | <0.001 | | Multi-lobar impairment | 545 (30.1) | 153 (56.0) | 392 (25.5) | <0.001 | | Chest CT, n (%) | | | | | | Alveolar infiltrates | 542 (84.4) | 66 (90.4) | 476 (83.7) | 0.134 | | Multi-lobar impairment | 318 (49.5) | 56 (76.7) | 262 (46.0) | <0.001 |
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x (SD): average (standard deviation). n (%): number (percentage). DM: diabetes mellitus. CT: computerized tomography.
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