TABLE 1.
Demographic and clinical characteristics of 441 nocardiosis patients from 2009 to 2021 in China
| Characteristic | No. | Percentage (%) |
|---|---|---|
| Patient demographics | ||
| Mean age (range) (ys) | 61.6 (6 to 91) | |
| ≤14 | 3 | 0.7 |
| 15 to 24 | 5 | 1.1 |
| 25 to 34 | 7 | 1.6 |
| 35 to 44 | 26 | 5.9 |
| 45 to 54 | 76 | 17.2 |
| 55 to 64 | 130 | 29.5 |
| ≥65 | 194 | 44.0 |
| Sex | ||
| Male | 260 | 59.0 |
| Female | 181 | 41.0 |
| Year Nocardia isolates collected | ||
| 2009 | 1 | 0.2 |
| 2010 | 1 | 0.2 |
| 2011 | 2 | 0.5 |
| 2012 | 2 | 0.5 |
| 2013 | 6 | 1.4 |
| 2014 | 2 | 0.5 |
| 2015 | 19 | 4.3 |
| 2016 | 19 | 4.3 |
| 2017 | 35 | 7.9 |
| 2018 | 100 | 22.7 |
| 2019 | 179 | 40.6 |
| 2020 | 67 | 15.2 |
| 2021 | 8 | 1.8 |
| Infection types and sample sources | ||
| Pulmonary nocardiosis | ||
| Sputum | 304 | 68.9 |
| Bronchoalveolar lavage fluid | 54 | 12.2 |
| Lung tissue | 3 | 0.7 |
| Skin and subcutaneous nocardiosis | ||
| Skin and soft tissue pus | 50 | 11.3 |
| Central nervous system nocardiosis | ||
| Cerebrospinal fluid | 2 | 0.5 |
| Brain abscess | 2 | 0.5 |
| Laboratory-confirmed bloodstream nocardiosis | ||
| Blood | 9 | 2.0 |
| Others | ||
| Eye pus or excretion | 9 | 2.0 |
| Joint fluid | 3 | 0.7 |
| Pleural effusion | 2 | 0.5 |
| Pericardial effusion | 1 | 0.2 |
| Liver abscess | 1 | 0.2 |
| Ascites | 1 | 0.2 |