Table 1.
Patients’ characteristics according to RT-PCR positivity
| RT-PCR negative (n = 440) | RT-PCR positive (n = 1022) | p value | |
|---|---|---|---|
| Age (years) | 56.1 ± 20.5 | 62.2 ± 16.4 | < 0.0001 |
| Days from symptoms onset | 7.2 ± 9.4 | 9.0 ± 7 | < 0.0001 |
| Cardiopulmonary comorbidities (n) | 128 (29.1%) | 207 (20.3%) | < 0.0001 |
| Dyspnea (n) | 199 (45.2%) | 700 (68.5%) | < 0.0001 |
| Mild phenotype (n = 402) | 180 (44.8%) | 222 (55.2%) | < 0.0001 |
| Mixed phenotype (n = 335) | 128 (38.2%) | 207 (61.8%) | < 0.0001 |
| Severe phenotype (n = 725) | 132 (18.2%) | 593 (81.8%) | < 0.0001 |
| Respiratory failure in the severe phenotype (n = 497) | 62 (12.5%) | 435 (87.5%) | < 0.0001 |
RT-PCR reverse transcriptase-polymerase chain reaction