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Table 1 Basic characteristics of the eligible studies included in the present meta-analysis

From: Impact of human papillomavirus infection in semen on sperm progressive motility in infertile men: a systematic review and meta-analysis

Study Country Age /Sample size (n) HPV genotype Study Design
HPV+patients HPV−patients
Moghimi 2019 [20] Iran NA (n = 8) NA (n = 62) 16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, 59 Case-control
Yang 2016 [24] China NA (n = 64) NA (n = 289) 18 HPV genotypes including 16,45,52,59,18,33,68,81 Cross-sectional
Garolla 2016 [21] Italy NA (n = 54) NA (n = 172) NA Cross-sectional
Foresta 2015 [22] Italy 37.1 ± 7.4 (n = 179) 38.2 ± 8.1 (n = 440) 6, 11, 16, 18, 26, 31, 33, 35, 39, 40,42, 43, 44, 45, 51, 52, 53, 54, 56, 58, 59, 66, 68, 69, 71, 70, 73, 74, Cohort
Yang 2015 [25] China NA (n = 86) NA (n = 41) 6,11,16,18,31,33,45,52,56,58 Cross-sectional
Zheng 2014 [26] China NA (n = 30) NA (n = 300) 6,16,18,31,33,52,58 Cross-sectional
Foresta 2013 [23] Italy 38.8 ± 9.8 (n = 16) 37.5 ± 5.9 (n = 16) HPV-16 Cross-sectional
Yang 2013 [19] China NA (n = 107) NA (n = 508) At least 20 HPV genotypes, including 6, 11,16, 18, 31, 33,39, 40, 42, 43,45, 51, 52, 53,54, 59, 66, 68,70, 81 Cross-sectional
Garolla 2013 [17] Italy 35.3 ± 4.7 (n = 61) 34.2 ± 3.8 (n = 104) 6, 11, 16, 18, 26, 31, 33, 35, 39, 40, 42, 43, 44, 45, 51, 52, 53, 54, 56, 58, 59, 66, 68, 69/71, 70, 73, 74, 82. Cross-sectional
Foresta 2010 [18] Italy NA (n = 11) NA (n = 97) 6,16,18,52,53,56,61,66,70,84,90 Cross-sectional