Table 2 Patient characteristics
Total number of patients | 27,787 | Â |
|---|---|---|
Mean sample size | 242 | Â |
Mean percentage female (%) | 64 | Â |
| Â | Number of studies (n = 115)a | Percentage of studies (%) |
Age category | Â | Â |
Children only (aged <18 years) | 22 | 19.1 |
Adults only (aged ≥18 years to ≤65 years) | 72 | 62.6 |
Children and adults (aged ≤65 years) | 2 | 1.7 |
Adults and elderly (aged ≥18 years) | 16 | 13.9 |
All ages | 2 | 1.7 |
Not reported | 1 | 0.9 |
American Society of Anesthesiologists (ASA) physical status | Â | Â |
I | 4 | 3.5 |
I or II | 62 | 53.9 |
I or II or III | 32 | 27.8 |
Not reported | 17 | 14.8 |
Surgery type | Â | Â |
Obstetric and gynecological | 37 | 32.2 |
Eye | 12 | 10.4 |
Gastrointestinal | 9 | 7.8 |
General dentistry, oral and maxillofacial surgery, and orthodontics | 5 | 4.3 |
Orthopedic | 5 | 4.3 |
Neurological | 3 | 2.6 |
Otolaryngological | 2 | 1.7 |
Breast | 1 | 0.9 |
Cardiovascular | 1 | 0.9 |
Urological | 1 | 0.9 |
Miscellaneous (includes multiple surgery types, abdominal surgery, and plastic surgery unspecified) | 39 | 33.9 |
History of motion sickness | Â | Â |
Yes | 49 | 42.6 |
No or not reported | 66 | 57.4 |
History of postoperative nausea and vomiting | Â | Â |
Yes | 67 | 58.3 |
No or not reported | 48 | 41.7 |
Comorbidities b | Â | Â |
Not reported | 109 | 94.8 |
Diabetes mellitus | 3 | 2.6 |
Cardiovascular | 2 | 1.7 |
Obesity | 1 | 0.9 |
Urological | 1 | 0.9 |
Migraines | 1 | 0.9 |
Liver disease | 1 | 0.9 |