| 5-ARI | 5-alpha-reductase inhibitors |
| AUA | American Urological Association |
| BOO | Bladder outlet obstruction |
| BPE | Benign prostatic enlargement |
| BPH | Benign prostatic hyperplasia |
| HMG-CoA | 3-Hydroxy-3-Methylglutaryl-Coenzyme A |
| HR | Hazard ratio |
| IIEF | International Index of Erectile Function Questionnaire |
| IPP | Intravesical prostatic protrusion |
| IPSS | International Prostate Symptom Score |
| LUTS | Lower urinary tract symptoms |
| MetS | Metabolic syndrome |
| PDE-5i | Inhibitors of PhosphoDiEsterase-5 |
| PRISMA | Preferred reporting items for systematic reviews and meta-analyses |
| PV | Prostate volume |
| PVR | Postvoid residual urine volume |
| Qmax | Maximum urinary flow rate |
| QoL | Quality of life |
| TURP | Transurethral resection of the prostate |
| TZV | Transition zone volume |
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