Table 1 Comparison of semen parameters (sperm concentration, morphology and motility) in 10 studies that contained data of semen parameters in men with testicular microlithiasis
From: Is testicular microlithiasis associated with decreased semen parameters? a systematic review
Authors and reference number | Year | Number in Sample | Sperm Concentration (million/ml) | Sperm Morphology (% normal sperm morphology) | Sperm motility (Total motility, PR + NP (%) or PR (%)) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
TM | Control | Lower concentration compared to control group? | Statistically significant difference? | Is TM group on or below WHO 2021 decision limit? | Lower normal morphology compared to control group? | Statistically significant decrease? | Is TM group on or below WHO 2021 decision limit? | Lower motility compared to control group? | Statistically significant difference? | Is TM group on or below WHO 2021 decision limit? | ||
Infertile Population: | ||||||||||||
D’Andrea et al. [9] | 2021 | 76 | 81 | ✓ | ✗ | ✗ | ||||||
Jiang et al. [48] | 2013 | 22 | 0 | ✓ | ✓ | ✗ | ||||||
Ou et al. [10] | 2007 | 23 | 0 | ✗ | ✗ | ✗ | ||||||
Rassam et al. [32] | 2020 | 218 | 2696 | ✓ | ✓ | ✓ | ✗ | ✗ | ✗ | ✓ | ✓ | ✗ |
Sakamoto et al. [49] | 2006 | 31 | 519 | ✓ | ✗ | ✗ | ✗ | ✗ | ✓ | |||
Thomas et al. [34] | 2000 | 10 | 0 | ✗ | ✗ | |||||||
Yee et al. [50] | 2011 | 10 | 50 | ✓ | ✗ | ✗ | ✗ | ✗ | ✗ | ✓ | ✗ | ✓ |
Asymptomatic/healthy population: | ||||||||||||
Anvari Aria et al. [51] | 2020 | 42 | 4797 | ✓a | ✓a | ✗ | ✓ | ✗ | ✗ | ✗ | ✗ | ✗ |
Population status not specified: | ||||||||||||
Mahafza et al. [31] | 2016 | 20 | 23 | ✓ | ✓ | ✗ | ✓ | ✓ | ✗ | ✓ | ✓ | ✗ |
Xu et al. [35] | 2014 | 159 | 120 | ✓ | ✓ | ✗ | ✓ | ✓ | ✗ | |||