Table 3.
Outcomes summary of the studies included in the meta-analysis.
| Article | Outcomes | Treated Varicocele | Untreated Varicocele | P-value |
|---|---|---|---|---|
| Kizilkan Y, et al. (2019) | Surgical Sperm Retrieval Rate (%) | 54 | 43.9 | NR |
| Schlegel PN, et al. (2004) | Surgical Sperm Retrieval Rate (%) | 60.3 | 60 | NR |
| Zampieri N, et al. (2013) | Surgical Sperm Retrieval Rate (%) | 58 | 25 | <0.05 |
| Pregnancy Rate (%) | 0 | 0 | NR | |
| Haydardedeoglu B, et al. (2010) | Surgical Sperm Retrieval Rate (%) | 60.8 | 38.5 | 0.01 |
| Pregnancy Rate (%) | 74.2 | 52.3 | 0.33 | |
| Live Birth Rate (%) | 64.5 | 41.5 | 0.29 | |
| Inci K, et al. (2009) | Surgical Sperm Retrieval Rate (%) | 53 | 42.8 | 0.036 |
| Pregnancy Rate (%) | 31.4 | 22.2 | 0.462 | |
| Live Birth Rate (%) | 25.7 | 22.2 | 0.601 | |
| Al-Mohammady, AA, et al. (2018) | Pregnancy Rate (%) | 36 | 22 | 0.0928 |
| Cantoro U, et al. (2015) | Pregnancy Rate (%) | 46.3 | 11.8 | 0.011 |
| McGarry P, et al. (2015) | Pregnancy Rate (%) | 42 | 36 | 0.38 |
| Grasso M, et al. (2014) | Pregnancy Rate (%) | 16.5 | 1.3 | <0.0001 |
| Pasqualotto FF, et al. (2011) | Pregnancy Rate (%) | 30.8 | 30.4 | 0.9806 |
| Abdel-Meguid TA, et al. (2011) | Pregnancy Rate (%) | 32.9 | 13.9 | 0.01 |
| Giagulli VA, et al. (2011) | Pregnancy Rate (%) | 25 | 22 | NR |
| Seo JT, et al. (2010) | Pregnancy Rate (%) | 60 | 31 | NR |
| Zini, et al. (2008) | Pregnancy Rate (%) | 33.3 | 28.7 | NR |
| Boman JM, et al. (2008) | Pregnancy Rate (%) | 82 | 61 | NS |
| Zini A, et al. (2008) | Pregnancy Rate (%) | 53 | 55.6 | NS |
| Krause W, et al. (2002) | Pregnancy Rate (%) | 15.6 | 18.2 | 0.555 |
| Unal D, et al. (2001) | Pregnancy Rate (%) | 9.5 | 4.8 | 0.5 |
| Grasso M, et al. (2000) | Pregnancy Rate (%) | 2.9 | 5.9 | NR |
| Nieschlag E, et al. (1998) | Pregnancy Rate (%) | 29 | 25.4 | NS |
| Yamamoto M, et al. (1996) | Pregnancy Rate (%) | 6.7 | 10 | 0.758 |
| Madgar I, et al. (1995) | Pregnancy Rate (%) | 60 | 10 | <0.001 |
| Breznik R, et al. (1993) | Pregnancy Rate (%) | 34.2 | 53.7 | NS |
| Marmar JL, et al. (1992) | Pregnancy Rate (%) | 7.7 | 10.5 | NR |
| Ashkenazi J, et al. (1989) | Pregnancy Rate (%) | 40.9 | 0 | NR |
| Vermeulen A, et al. (1984) | Pregnancy Rate (%) | 24.2 | 40 | NR |
| Nilsson S, et al. (1979) | Pregnancy Rate (%) | 7.8 | 17.8 | NS |
| Gokce MI, et al. (2013) | Pregnancy Rate (%) | 62.5 | 47.1 | 0.001 |
| Live Birth Rate (%) | 47.6 | 29 | 0.0002 | |
| Ghanaie MM, et al. (2011) | Pregnancy Rate (%) | 44.1 | 19.1 | 0.003 |
| Live Birth Rate (%)∗ | 86.7 | 30.8 | 0.002 | |
| Esteves SC, et al. (2010) | Pregnancy Rate (%) | 60 | 45.1 | 0.04 |
| Live Birth Rate (%) | 46.2 | 31.5 | 0.03 | |
| Daitch JA, et al. (2001) | Pregnancy Rate (%) | 35.3 | 16.7 | 0.01 |
| Live Birth Rate (%) | 35.3 | 4.2 | 0.001 |
∗
The number of live births was counted among pregnancy occurred; NR, Not reported; NS, Not significant.