Table 2. Demographic and laboratory characteristics of patients according to survival status within 90 days of discharge following hospitalization for AECOPD.
| Characteristics | Died within 90 days months post discharge (N=16) | Alive at 90 months post discharge (N=165) | P value |
|---|---|---|---|
| Demographics | |||
| Age | 78±9 | 70±10 | 0.004 |
| Sex (male/female) | 12/4 | 81/84 | 0.066 |
| BMI (kg/m2) | 23±5 | 26±7 | 0.090 |
| FEV1 (% predicted) | 41±19 | 44±18 | 0.349 |
| BMI (kg/m2), mean (±SD) | 23.3±5.8 | 26.1±6.8 | 0.090 |
| Comorbidity, n (%) | |||
| Coronary artery disease | 5 (31%) | 40 (24%) | 0.550 |
| Congestive heart failure | 4 (25%) | 25 (15%) | 0.294 |
| Depression | 3 (19%) | 33 (20%) | 1.00 |
| Arrhythmia | 4 (25%) | 26 (16%) | 0.309 |
| Chronic kidney disease | 5 (31%) | 11 (7%) | 0.069 |
| Osteoporosis | 4 (25%) | 26 (16%) | 0.309 |
| Total number of comorbidities, mean (± SD) | 5.1±1.8 | 4.6±2.7 | 0.15 |
| Index hospital admission | |||
| Antimicrobial therapy | 13 | 135 | 1.00 |
| Systemic corticosteroid therapy | 13 | 138 | 1.00 |
| Bronchodilator therapy | 16 | 165 | 1.00 |
| Length of stay (days)* | 5.5 [2.3–11] | 3 [1–6] | 0.313 |
| Biomarkers | |||
| Haemoglobin (g/dL) | 118±15 | 137±20 | 0.000 |
| Neutrophil | 13±11 | 8±4 | 0.023 |
| NLR | 13±10 | 7±8 | 0.004 |
| PLR | 348±228 | 208±164 | 0.010 |
| Urea | 11±7 | 7±7 | 0.015 |
Data is presented as mean ± standard deviation for normally distributed data. *, median (range) for non-Gaussian distributed data. AECOPD, acute exacerbation of COPD; CI, confidence interval; OR, odds ratio; BMI, body mass index; FEV1, forced expiratory volume in 1 second; SD, standard deviation; NLR, neutrophil lymphocyte ratio; PLR, platelet-to-lymphocyte ratio.