| OSAS | obstructive sleep apnea syndrome |
| AHI | apnea–hypopnea index |
| ODI | oxygen desaturation index |
| PG | polygraphy |
| HRP | home cardio-respiratory polygraphy |
| 25(OH)D | serum 25-hydroxyvitamin D |
| MPV | mean platelet volume |
| PLT | platelet count |
| BMI | body mass index |
| IQR | interquartile range |