Table 5 Meta-regression analysis for PRM1 rs737008, PRM1 rs2301365, PRM2 rs2070923, and PRM2 rs1646022 polymorphisms based on publication year.

From: Evaluation of the association between polymorphisms of PRM1 and PRM2 and the risk of male infertility: a systematic review, meta-analysis, and meta-regression

Polymorphism

Indexes

Allele

Homozygote

Heterozygous

Recessive

Dominant

PRM1 rs737008

R

0.152

0.639

0.573

0.572

0.066

Adjusted R2

− 0.66

0.354

0.267

0.266

− 0.086

P-value

0.620

0.019

0.041

0.041

0.831

PRM1 rs2301365

R

0.545

0.660

0.619

0.630

0.241

Adjusted R2

0.209

0.365

0.306

0.322

− 0.060

P-value

0.104

0.038

0.057

0.051

0.503

PRM2 rs1646022

R

0.225

0.698

0.267

0.358

0.534

Adjusted R2

− 0.085

0.414

− 0.083

0.004

0.183

P-value

0.561

0.036

0.522

0.344

0.139

PRM2 rs2070923

R

0.234

0.059

0.012

0.249

0.251

Adjusted R2

− 0.103

− 0.163

− 0.166

− 0.094

− 0.093

P-value

0.576

0.889

0.977

0.552

0.549

  1. Allele: A vs. C, homozygous: AA vs. CC, heterozygous: AG vs. CC, recessive: AA + CA vs. CC, and dominant: AA vs. CA + CC, for PRM1 rs737008, PRM1 rs2301365, and PRM2 rs2070923 polymorphisms. Allele: C vs. G, homozygous: CC vs. GG, heterozygous: GC vs. GG, recessive: CC + GC vs. GG, and dominant: CC vs. GC + GG, for PRM2 rs1646022 polymorphism. Bold numbers indicate statistically significant differences.