Table 1 Demographic and baseline characteristics of enrolled patients
From: Development of a nomogram for predicting the presence of combined pulmonary fibrosis and emphysema
|  | All patients (N = 213) | CPFE (N = 85) | IPF (N = 128) | P value |
|---|---|---|---|---|
Demographic | ||||
 Age, median (IQR), yrs | 75 (65–81) | 75 (66–81) | 75 (64–82) | 0.72 |
 Gender, Male, n (%) | 149 (70.0) | 78 (91.8) | 71 (55.5) | 0.000* |
 BMI (kg/m2) | 24.9 (22.3–26.7) | 24.7 (21.1–26.6) | 25.0 (22.6–27.4) | 0.32 |
 BMI ≥ 24, n (%) | 29 (17.1) | 11 (15.5) | 18 (18.2) | 0.65 |
 Smoking, n (%) | 131 (63.3) | 74 (88.1) | 57 (46.3) | 0.000* |
 Thoracic operation history, n (%) | 6 (2.9) | 1 (1.2) | 5 (4.1) | 0.233 |
 Allergies n (%) | 34 (16.7) | 20 (24.4) | 14 (11.5) | 0.015* |
 Occupational dust exposure, n (%) | 45 (22.2) | 16 (19.8) | 29 (23.8) | 0.5 |
Comorbidities, n (%) | ||||
 Hypertension | 85 (41.9) | 33 (41.3) | 52 (42.3) | 0.885 |
 Reflux esophagitis | 39 (18.9) | 17 (20.2) | 22 (18.0) | 0.691 |
 Coronary disease | 65 (31.9) | 27 (33.3) | 38 (30.9) | 0.715 |
 Diabetes | 50 (24.4) | 19 (23.5) | 31 (25.0) | 0.801 |
 Osteoporosis | 22 (10.8) | 7 (8.5) | 15 (12.3) | 0.396 |
 Chronic kidney diseases | 15 (7.4) | 4 (4.9) | 11 (9.1) | 0.270 |
 Stroke | 33 (16.0) | 14 (17.3) | 19 (15.2) | 0.690 |
 Tumor | 39 (18.3) | 18 (21.1) | 21 (16.4) | 0.378 |
 CCI, median (IQR) | 1 (0–2) | 1 (0–2) | 1 (0–2) | 0.80 |
 CPI, median (IQR) | 39.4 (30.2–52.3) | 38.9 (26.9–53.9) | 40.8 (31.9–50.0) | 0.73 |