Table 1.
Characteristics and microbiologic investigations on SARS-CoV-2 cohort and comparator influenza A/B cohort, London 2020
| Characteristic | SARS-CoV-2 (n = 836) | Influenza A/B (n = 216) | p |
|---|---|---|---|
| Date range of study | 25/2/20–30/4/20 | 1/9/19–30/4/20 | |
| Age (years), median (interquartile range) | 69 (55–81) | 36 (22–65) | <0.0001 |
| Gender | |||
| Male | 519 (62) | 91 (42) | <0.0001 |
| Female | 317 (38) | 125 (58) | <0.0001 |
| Microbiologic investigations undertaken | |||
| Blood culture | 643 (77) | 141 (65) | 0.0006 |
| Respiratory (sputum) | 110 (13) | 38 (18) | 0.1185 |
| Respiratory (BAL) | 13 (2) | — | 0.1340 |
| Pneumococcal urinary antigen | 249 (30) | 19 (9) | <0.0001 |
| Legionella urinary antigen | 246 (29) | 21 (10) | <0.0001 |
| Respiratory viruses (influenza A/B, RSV) | 250 (30)a | — | NA |
Data are presented as n (%) unless otherwise indicated.
BAL, bronchoalveolar lavage; NA, not applicable; RSV, respiratory syncytial virus; SARS-CoV-2, severe acute respiratory syndrome coronavirus 2.
a
From 20 February 2020 to 6 April 2020, a total of 223 (43.7%) of 510 patients were tested for respiratory viruses; and after 7 April 2020, a total of 27 (8.3%) 326 patients were tested for respiratory viruses.