| dBA | A-weighted decibels |
| IBM | International Business Machines (SPSS vendor) |
| ICU | Intensive Care Unit |
| IRB | Institutional Review Board |
| PSMCHS | Prince Sultan Military College of Health Sciences |
| SPSS | Statistical Package for the Social Sciences |
| STROBE | Strengthening the Reporting of Observational Studies in Epidemiology |
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