Table 1. Clinical characteristics of the population.
| Total (n = 333) | PE (n = 109) | Non-PE (n = 224) | p value | |
|---|---|---|---|---|
| Age (years) | 67 (57–77) | 64 (55–76) | 67 (57–77) | 0.33 |
| Age > 65 (years) | 175 (53%) | 51 (47%) | 124 (55%) | 0.14 |
| Gender, Female | 122 (37%) | 35 (32%) | 87 (39%) | 0.23 |
| Comorbidities | ||||
| Hypertension | 179 (54%) | 57 (52%) | 122 (55%) | 0.7 |
| Diabetes | 60 (18%) | 17 (16%) | 43 (19%) | 0.42 |
| Smoking | 39 (12%) | 14 (13%) | 25 (11%) | 0.65 |
| Dyslipidemia | 75 (23%) | 20 (18%) | 55 (24%) | 0.2 |
| Obesity (BMI ≥ 30) | 38 (11%) | 16 (15%) | 22 (10%) | 0.19 |
| Ischemic heart disease | 44 (13%) | 11 (10%) | 33 (15%) | 0.24 |
| Cerebrovascular disease | 34 (10%) | 9 (8%) | 25 (11%) | 0.41 |
| COPD | 27 (8%) | 11 (10%) | 16 (7%) | 0.3 |
| Atrial fibrillation | 31 (9%) | 9 (8%) | 22 (10%) | 0.65 |
| Chronic kidney disease | 28 (8%) | 8 (7%) | 20 (9%) | 0.62 |
| Pa02 at admission | 62 (52–77) | 62 (51–74) | 63 (54–77) | 0.4 |
| Pa02/Fi02 ratio at admission | 281 (214–333) | 274 (202–321) | 284 (219–335) | 0.52 |
| Oxygen Saturation at admission | 92 (88–95) | 92 (89–95) | 92 (88–95) | 0.98 |
| SBP at admission (mmHg) | 125 (115–140) | 120 (110–130) | 130 (119–140) | 0.001 |
| HR at admission (bpm) | 90 (80–103) | 94 (80–106) | 89 (79–100) | 0.04 |
| Pneumonia extension (score) | 13 (5–18) | 12 (5–17) | 13 (6–19) | 0.26 |
Data are median (IQR) or n (%). PE: pulmonary embolism; COPD: chronic obstructive pulmonary disease; BMI: body mass index; SBP: arterial systolic blood pressure; HR: heart rate; PaO2: arterial oxygen partial pressure; FiO2: fraction of inspired oxygen. Bold numbers indicate significant p-value<0.05.