Table 1 Characteristics of included studies
From: The association between hepatitis B virus and semen quality: a systematic review and meta-analysis
Study | Year published | Country | Study design | Use of ART | Recruitment Period | HBV(+) group | Control group | Outcome | Guidelines for semen analysis | Newcaste-Ottawa score | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Patients | Age (years) | Patients | Age (years) | |||||||||
Bu et al. [17] | 2014 | China | cohort study | Yes | 2010–2012 | 20 | 36.7 ± 7.2 | 257 | 36 ± 7.4 | semen volume, sperm concentration, motility, progressive motility rate, morphology | Unclear | Medium (6 points) |
F. Lorusso et al. [10] | 2009 | Italy | Case control | Yes | 2004–2008 | 30 | 36.9 ± 6.1 | 130 | 36 ± 4.1 | semen volume, sperm concentration, progressive motility rate, morphology | WHO 1999 | Low (5 points) |
G. Cito et al. [18] | 2019 | Italy | cohort study | Yes | 2011–2018 | 66 | 36.7 ± 6.5 | 68 | 38.7 ± 4.4 | semen volume, total sperm count, sperm concentration, progressive motility rate, morphology | WHO 2010 | High (8 points) |
Karamolahi et al. [20] | 2019 | Iran | Case control | Unclear | 2003–2014 | 112 | 36.7 ± 7.5 | 112 | 34.4 ± 7.8 | semen volume, total sperm count, sperm motility, morphology, | WHO 1999 | High (8 points) |
P. Oger et al. [21] | 2011 | France | Case control | Yes | 2005–2008 | 32 | 34.7 ± 5.0 | 64 | 35.3 ± 6.3 | sperm concentration, progressive motility rate, morphology, motility | WHO 1992 | Medium (7 points) |
Qian et al. [22] | 2016 | China | Case control | Unclear | 2015–2015 | 30 | … | 30 | … | semen volume, sperm concentration, progressive motility rate, motility, morphology | Unclear | Medium (6 points) |
Shi et al. [23] | 2014 | China | Case control | Yes | 2008–2012 | 136 | 32.9 ± 4.7 | 272 | 32.6 ± 5.0 | sperm concentration, progressive motility rate, morphology | WHO 2010 | Medium (7 points) |
VCY Lee et al. [24] | 2010 | China | Case control | Yes | 2004–2008 | 154 | … | 1473 | … | sperm concentration, progressive motility rate, morphology | Unclear | Medium (6 points) |
Wang et al. [25] | 2021 | China | Case control | Yes | 2016–2020 | 227 | 34.8 ± 4.9 | 454 | 34.7 ± 4.7 | semen volume, sperm concentration, progressive motility rate, morphology | WHO 1999 | High (8 points) |
Yakass, M.B et al. [19] | 2016 | Ghana | cohort study | Yes | 2013–2015 | 27 | … | 196 | … | sperm concentration, progressive motility rate, morphology | WHO 2010 | Medium (6 points) |
Zhou et al. [26] | 2011 | China | Case control | Yes | 2008–2009 | 457 | 33.4 ± 4.8 | 459 | 33.5 ± 4.8 | semen volume, total sperm count, sperm concentration, progressive motility rate, morphology | WHO 1999 | High (8 points) |