Table 1.
Comparison of the epidemiological, clinical and radiological factors between the COVID-19 patient groups that underwent CT and/or MRI of the brain and a control group that did not.
| Variables | CT and/or MRI of the Brain | p-Value | |
|---|---|---|---|
| Yes | No | ||
| n (%) | n (%) | ||
| Sex (Masculine) | 20/35 (57.1) | 115/197 (58.4) | 0.892 * |
| Chest CT (Extension of pulmonary involvement) | |||
| Normal | 3/31 (9.7) | 0/197 (0.0) | <0.001 ** |
| Typical (T) < 25% | 13/31 (41.9) | 121/197 (61.4) | |
| T beween 25–50% | 5/31 (16.1) | 61/197 (31.0) | |
| T > 50% | 9/31 (29.0) | 14/197 (7.1) | |
| Between 25–50% with pleural effusion | 0/31 (0.0) | 1/197 (0.5) | |
| >50% with pleural effusion | 1/31 (3.2) | 0/197 (0.0) | |
| Origin | |||
| Internal | 14/33 (42.4) | 103/197 (52.3) | <0.001 ** |
| Intensive care unit | 11/33 (33.3) | 5/197 (2.5) | |
| Urgency | 4/33 (12.1) | 64/197 (32.5) | |
| External | 4/33 (12.1) | 25/197 (12.7) | |
| Systemic arterial hypertension | 18/34 (52.9) | 67/186 (36.0) | 0.062 * |
| Diabetes melitus | 10/32 (31.3) | 44/184 (23.9) | 0.376 * |
| Dyslipidemia | 2/27 (7.4) | 17/185 (9.2) | 1.000 ** |
| Asthma/COPD | 2/29 (6.9) | 25/173 (14.5) | 0.382 ** |
| Chronic kidney failure | 4/30 (13.3) | 7/182 (3.8) | 0.053 ** |
| Fever | 24/29 (82.8) | 151/188 (80.3) | 0.757 * |
| Cough | 22/29 (75.9) | 159/189 (84.1) | 0.289 ** |
| Dyspnea | 18/30 (60.0) | 151/190 (79.5) | 0.019 * |
| O2 catheter | 14/29 (48.3) | 78/189 (41.3) | 0.477 * |
| Mechanic ventilatory assistance | 10/29 (34.5) | 19/190 (10.0) | 0.001 ** |
| Headache | 12/28 (42.9) | 78/188 (41.5) | 0.891 * |
| Anosmia | 7/11 (63.6) | 50/66 (75.8) | 0.462 ** |
| Disgeusia | 5/9 (55.6) | 32/43 (74.4) | 0.419 ** |
| Gastric symptoms | 7/26 (26.9) | 61/190 (32.1) | 0.594 * |
| Sepsis | 7/9 (24.1) | 12/189 (6.3) | 0.006 ** |
| Obesity (qualitative) | 5/29 (17.2) | 20/186 (10.8) | 0.347 ** |
| Death | 3/33 (9.1) | 10/192 (5.2) | 0.413 ** |
| Obesity (BMI ≥ 30) | 2/9 (22.2) | 35/78 (44.9) | 0.289 ** |
| Mean ± DP | Mean ± DP | ||
| Age (years) | 54.3 ± 18.1 | 49.6 ± 13.7 | 0.163 *** |
| Body mass index | 27.1 ± 6.3 | 29.6 ± 5.2 | 0.179 *** |
| Median (Q1; Q3) | Median (Q1; Q3) | ||
| Interval of symptom onset at admission | 6.0 (3.7; 7.7) | 7.0 (5.0; 8.0) | 0.497 ¥ |
| Length of stay | 8.5 (5.0; 23.5) | 8.0 (5.0; 14.0) | 0.630 ¥ |
* Chi-Squared, ** Fisher’s Exat Test, *** T Test, ¥ Mann-Whitney Test. COPD, chronic obstructive pulmonary disease.