Table 1.
Descriptive statistics of the study population.
| Feature | Patients with data available (N) | Descriptive statistics |
|---|---|---|
| Female, N (%) | 1391 | 560 (40.3) |
|
Age (years), Median (IQR) <70, N (%) ≥70, N (%) |
1391 | 77 (65.0–85.0) 567 (40.8) 824 (59.2) |
|
Body mass index (kg/m2), Median (IQR) <20.0, N (%) 20.0–24.9, N (%) 25.0–29.9, N (%) ≥30.0, N (%) |
1322 | 24.7 (22.5–27.6) 105 (7.9) 543 (41.1) 459 (34.7) 215 (16.3) |
|
Weight loss in the previous month, N (%) No Yes Unknown |
1241 | 654 (52.7) 154 (12.4) 433 (34.9) |
|
Reduced food intake, N (%) No Before or after assessment Before and after assessment |
1391 | 407 (29.3) 357 (25.7) 627 (45.1) |
| COPD, N (%) | 1320 | 193 (14.6) |
| Coronary heart disease, N (%) | 1320 | 350 (26.5) |
| Diabetes, N (%) | 1320 | 338 (25.6) |
| Hypertension, N (%) | 1318 | 789 (59.9) |
| Dyslipidemia, N (%) | 1314 | 306 (23.3) |
| Cancer, N (%) | 1319 | 168 (12.7) |
| Chronic kidney disease, N (%) | 1321 | 178 (13.5) |
|
Number of comorbidities, Median (IQR) >2, N (%) |
1312 | 2 9(1–3) 689 (52.5) |
|
Lactate dehydrogenase (mU/mL), Median (IQR) >430 mU/mL, N (%) |
869 | 316 (242–429) 217 (25.0) |
|
C-reactive protein (mg/dL), Median (IQR) >21 mg/dL, N (%) |
939 | 9.9 (3.65–20.6) 234 (24.9) |
| Severe pneumoniaa, N (%) | 1391 | 1173 (84.3) |
Abbreviations:COPD, chronic obstructive pulmonary disease; IQR, interquartile range.
a
According to the criteria of the American Thoracic Society and Infectious Diseases Society of America [23].