Table 1.
Baseline characteristics of patients with and without COVID-19 after propensity-score matching.
| Characteristics | No COVID-19 (n = 43) | COVID-19 (n = 43) | P-value |
|---|---|---|---|
| Age, median (IQR), years | 66 (55, 76) | 67 (57, 75) | 0.94 |
| Male sex, n (%) | 20 (47) | 23 (53) | 0.52 |
| Cognitive impairment on admission, n (%) | 2 (5) | 2 (7) | 0.74 |
| Comorbidities, n (%) | |||
| Arterial hypertension | 22 (51) | 21 (49) | 0.83 |
| Chronic artery disease | 11 (26) | 10 (23) | 0.80 |
| Smoker | 7 (18) | 5 (15) | 0.71 |
| COPD | 13 (30) | 6 (14) | 0.07 |
| Chronic kidney disease | 7 (16) | 8 (19) | 0.78 |
| Diabetes | 6 (14) | 6 (14) | 1.00 |
| Cancer | 14 (33) | 8 (19) | 0.14 |
| Obesity (BMI > 30 kg/m2) | 13 (30) | 12 (28) | 0.81 |
| Asthma | 5 (12) | 5 (12) | 1.00 |
| OSA | 6 (14) | 4 (9) | 0.50 |
| ACCI, mean (s.d.) | 4.6 (3.0) | 4.1 (3.5) | 0.51 |
| Antihypertensive treatment, n (%) | |||
| ACE-inhibitor | 8 (19) | 8 (19) | 1.00 |
| Calcium-antagonist | 9 (21) | 8 (19) | 0.79 |
| Beta-blocker | 11 (26) | 12 (28) | 0.81 |
| AT 2 receptor blockers | 7 (16) | 5 (12) | 0.53 |
| Diuretic | 12 (28) | 13 (30) | 0.81 |
| Etiology of infection, n (%) | <0.001 | ||
| SARS-CoV-2 | 0 | 43 (100) | – |
| Other virus – Rhinovirus | 2 (5) | 0 | – |
| Bacteria | |||
| Escherichia coli | 2 (5) | 0 | – |
| Pseudomonas aeruginosa, Hafnia alvei | 1 (2) | 0 | – |
| Pseudomonas aeruginosa, Serratia marcescens | 1 (2) | 0 | – |
| Staphylococcus aureus | 2 (5) | 0 | – |
| Streptococcus pneumoniae | 1 (2) | 0 | – |
| Mycoplasma pneumoniae | 1 (2) | 0 | – |
| None | 33 (77) | 0 | – |
| Vital signs, median (IQR) | |||
| Systolic blood pressure, mmHg | 141 (126, 157) | 134 (120, 150) | 0.27 |
| Diastolic blood pressure, mmHg | 82 (72, 96) | 77 (69, 86) | 0.10 |
| Heart rate, beats per minute | 100 (87, 105) | 84 (77, 93) | <0.001 |
| Respiratory rate, per minute | 21 (18, 24) | 22 (19, 25) | 0.32 |
| Oxygen saturation, % | 96 (92, 98) | 93 (87, 95) | 0.04 |
| Body temperature, °C | 37.5 (36.7, 38.3) | 37.6 (37.2, 38.3) | 0.34 |
ACCI, age adjusted Charlson comorbidity index; ACE, angiotensin converting enzyme; AT, angiotensin; COPD, chronic obstructive pulmonary disease; IQR, interquartile range; OSA, obstructive sleep apnea.