Research Article
The Role of Red Blood Cell Distribution Width in the Severity and Prognosis of Community-Acquired Pneumonia
Table 3
Data characteristic between survival group and nonsurvival group.
| | | Survival group | Nonsurvival group | value |
| | Age (years) | 55.1 ± 18.2 | 74.4 ± 12.2 | 0.000 | | Smoker, n (%) | 1143 (37.0) | 89 (50.0) | 0.000 | | Drinker, n (%) | 674 (21.8) | 41 (23.0) | 0.693 |
| | Pulmonary comorbidities, n (%) | | Bronchial asthma | 116 (3.7) | 5 (2.8) | 0.021 | | COPD | 282 (9.1) | 30 (16.9) | 0.001 | | Bronchiectasis | 77 (2.5) | 4 (2.2) | 0.843 | | Old pulmonary tuberculosis | 127 (4.1) | 12 (6.7) | 0.089 | | Interstitial lung disease | 34 (1.1) | 3 (1.7) | 0.470 |
| | Extrapulmonary diseases, n (%) | | Heart failure | 79 (2.5) | 29 (16.3) | 0.000 | | Liver disease | 346 (11.2) | 24 (13.5) | 0.341 | | Renal disease | 109 (3.5) | 33 (18.5) | 0.000 | | Hypertension | 653 (21.1) | 59 (33.1) | 0.000 | | Diabetes | 361 (23.6) | 42 (11.6) | 0.000 | | Cerebrovascular disease | 381 (12.3) | 84 (47.0) | 0.000 | | Coronary heart disease | 393 (12.7) | 38 (21.3) | 0.001 | | Tumor | 96 (3.1) | 18 (10.1) | 0.000 | | Urinary tract infection | 208 (6.7) | 11 (6.2) | 0.783 | | Hyperthyroidism | 22 (0.7) | 1 (0.6) | 0.882 |
| | Auxiliary examination | | Pleural effusion, n (%) | 637 (20.6) | 82 (46.1) | 0.000 | | Multiple pulmonary lobe infiltration, n (%) | 1709 (52.2) | 125 (71.0) | 0.000 | | pH | 7.423 ± 0.104 | 7.471 ± 1.414 | 0.190 | | PaO2 (mmHg) | 69.955 ± 16.498 | 59.487 ± 20.976 | 0.000 | | PaCO2 (mmHg) | 37.156 ± 7.398 | 37.273 ± 14.482 | 0.750 | | WBC (109/L) | 8.904 ± 12.208 | 11.782 ± 6.657 | 0.000 | | PLT (109/L) | 235.509 ± 88.709 | 212.662 ± 88.709 | 0.001 | | RDW (%) | 12.918 ± 1.409 | 14.184 ± 1.721 | 0.000 | | HGB (g/L) | 136.648 ± 14.581 | 133.529 ± 19.462 | 0.007 | | DDP (μg/L) | 1.586 ± 5.818 | 5.014 ± 10.109 | 0.000 | | FIB (g/L) | 4.507 ± 1.759 | 4.364 ± 1.699 | 0.307 | | ALB (g/L) | 37.517 ± 5.472 | 29.516 ± 5.533 | 0.000 | | BUN (mmol/L) | 5.330 ± 8.905 | 10.918 ± 7.502 | 0.000 | | PCT (ng/L) | 0.7878 ± 4.211 | 5.3863 ± 13.970 | 0.000 | | CRP (mg/L) | 61.523 ± 78.174 | 142.611 ± 112.961 | 0.000 |
| | CURB-65, n (%) | 0.000 | | 0 | 1877 (60.5) | 12 (6.7) | | 1 | 895 (28.9) | 55 (30.9) | | 2 | 284 (9.2) | 64 (36.0) | | 3 | 42 (1.4) | 40 (22.5) | | 4 | 2 (0.1) | 7 (3.9) | | 5 | 0 | 0 |
| | PSI, n (%) | 0.000 | | I | 1090 (35.2) | 3 (1.7) | | II | 902 (29.1) | 5 (2.8) | | III | 635 (20.5) | 10 (5.6) | | IV | 408 (13.2) | 91 (51.1) | | V | 65 (2.1) | 69 (38.8) |
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