Table 1. Characteristics of the differences of age and gender in LPV/r therapy in patients with COVID-19.
| Study | Virus type | Country | Age | Gender | |||||
| <65 | >65 | ||||||||
| Cardiopulmonary disease | No cardiopulmonary disease | Cardiopulmonary disease | No cardiopulmonary disease | Male(%) | Female(%) | ||||
| Cao 2020 | COVID-19 | China | 6 | 119 | 66 | 8 | 106(53.27%) | 93(46.73) | |
| Li 2020 | COVID-19 | China | 3 | 17 | 11 | 2 | 17(51.52%) | 16(48.48) | |
| Young 2020 | COVID-19 | Singapore | 2 | 7 | 8 | 1 | 9(50%) | 9(50%) | |
| Chen 2020 | COVID-19 | China | 14 | 41 | 38 | 4 | 67(67.68%) | 32(32.32%) | |
| Jun 2020 | COVID-19 | China | 8 | 22 | 20 | 2 | 36(69.23%) | 16(30.77%) | |
| Liu (1) 2020 | COVID-19 | China | 2 | 1 | 6 | 1 | 4(40%) | 6(60%) | |
| Liu (2) 2020 | COVID-19 | China | 12 | 18 | 21 | 5 | 31(55.36%) | 25(44.64%) | |
| Deng 2020 | COVID-19 | China | 6 | 13 | 13 | 2 | 17(50%) | 17(50%) | |
| Wang 2020 | COVID-19 | China | 15 | 78 | 38 | 4 | 72(53.33%) | 63(46.67%) | |
| Cai 2020 | COVID-19 | China | 8 | 21 | 14 | 2 | 21(46.67%) | 24(53.33%) | |
Cardiopulmonary disease: including Chronic Obstructive Pulmonary Diseases (COPD), Coronary heart disease (CHD) and hypertension.