Table 3. Characteristics of included studies (HCV).
| Study | Publication year | Country | Type of study | SLE patients (n) | Controls (n) | Control description | Matching and adjustments |
HCV detection | NOS score | Reference |
|---|---|---|---|---|---|---|---|---|---|---|
| Feng, H., et al. | 2006 | China | Prospective | 92 | 58 | Normal control people | Age and sex | PCR | 6 | 27 |
| Mahroum, N., et al. | 2017 | Israel | Retrospective | 5018 | 25090 | Controls without SLE | Age and sex | NA | 6 | 28 |
| Ramos-Casals, M., et al. | 2000 | Spain | Prospective | 134 | 200 | Volunteer blood donors | Age and sex | Elisa, RIBA, PCR | 6 | 29 |
| Agmon-Levin, N., et al. | 2009 | Israel | Prospective | 108 | 236 | Healthy controls | Age and sex | Elisa | 7 | 30 |
| Mercado, U., et al. | 2005 | México | Prospective | 110 | 300 | Blood donors | NA | Elisa, RIBA, PCR | 6 | 31 |
| Wang,S., et al. | 2016 | China | Retrospective | 844 | 1348 | Blood donors | Age and sex | Elisa | 7 | 21 |
| Berkun, Y., et al. | 2009 | Israel | Prospective | 120 | 140 | Non-autoimmune controls | Age and sex | BioPlex 2200 Multiplexed Immunoassay method | 7 | 26 |
| Mowla, K. and E. Hajiani, | 2008 | Iran | Prospective | 109 | 110 | Healthy donors | Age and sex | Elisa, PCR | 8 | 32 |
| Costa, C.A., et al. | 2002 | Brazil | Prospective | 91 | 8867 | Volunteer blood donors | Age and sex | Elisa, PCR | 6 | 33 |