| BMI | Body mass index |
| CI | Confidence interval |
| EBP | Evidence-based practice |
| GRADE | Grading of Recommendations Assessment, Development and Evaluation |
| GRADEpro | GRADE profiler |
| HDL | High-density lipoprotein |
| hs-CRP | High-sensitivity C-reactive protein |
| IL-6 | Interleukin-6 |
| LDL | Low-density lipoprotein |
| LH | Luteinizing hormone |
| MD | Mean difference |
| MeSH | Medical Subject Headings |
| NF-κB | Nuclear factor kappa b |
| PCOS | Polycystic ovary syndrome |
| PICO | Population, Intervention, Comparison, Outcomes |
| PPAR-α | Peroxisome proliferator-activated receptor alpha |
| PRISMA | Preferred Reporting Items for Systematic Reviews and Meta-Analyses |
| PROSPERO | International Prospective Register of Systematic Reviews |
| RCT | Randomized controlled trial |
| RCTs | Randomized controlled trials |
| RevMan | Review Manager |
| RoB 2 | Risk of Bias 2 (Cochrane tool) |
| SHBG | Sex hormone-binding globulin |
| SMD | Standardized mean difference |
| TNF-α | Tumor necrosis factor-alpha |