Characteristics | Categories | n | % |
---|---|---|---|
Study design (n = 65) | Cross-sectional studies | 12 | 18.5 |
Mathematical modeling | 29 | 44.6 | |
Molecular studies | 10 | 15.4 | |
Diagnostic studies | 2 | 3.1 | |
Review | 3 | 4.6 | |
Theoretical study | 9 | 13.9 | |
Targets of study (n = 65) | Population | 32 | 49.2 |
Patients | 22 | 33.9 | |
General population | 6 | 9.2 | |
Healthcare workers | 4 | 6.2 | |
Species (virus structure, gene sequence) | 24 | 36.9 | |
Other | 9 | 13.9 | |
Study related to population (n = 32) | |||
Sample size | 1–10 | 11 | 34.4 |
11–50 | 5 | 15.6 | |
51–100 | 3 | 9.4 | |
> 100 | 3 | 9.4 | |
Not specified | 10 | 31.3 | |
Study setting | Laboratory | 2 | 6.3 |
Hospital | 10 | 31.3 | |
Community | 0 | 0.0 | |
Hospital and community | 0 | 0.0 | |
Not specified | 20 | 62.5 | |
Questionnaire | 7 | 10.8 | |
Data-collection instrumenta | Biological specimen collection | 1 | 3.1 |
Physical examinations | 0 | 0.0 | |
Environmental sample | 0 | 0.0 | |
Hospital, medical, or exposure records | 14 | 43.7 | |
Secondary data | 16 | 50.0 | |
Quality-control activities for data collection | Indicated in the article | 14 | 56.3 |
Not specified | 18 | 43.8 |