Table 3. Simplified risk-score 8.
| A | PONV in adults 8 | Points | |
| Female gender | 1 | (A) When 0, 1, 2, 3, or 4 of the depicted independent predictors are present, the
corresponding risk of PONV is approximately 10, 20, 40, 60, or 80%, respectively |
|
| Non-smoker | 1 | ||
| History of PONV | 1 | ||
| Postoperative opioids | 1 | ||
| Maximum score | 4 | ||
| B | POV in children | ||
| Surgery >30 minutes | 1 | (B) When 0, 1, 2, 3, or 4 of the depicted independent predictors are present, the
corresponding risk of PONV is approximately 10, 10, 30, 50, or 70%, respectively |
|
| Age >3 years | 1 | ||
| Strabismus surgery | 1 | ||
| History of POV or PONV in relatives | 1 | ||
| Maximum score | 4 | ||
| C | PDNV in adults | ||
| Female gender | 1 | (C) When 0, 1, 2, 3, 4, and 5 risk factors are present, the corresponding risk for PDNV
is approximately 10, 20, 30, 50, 60, and 80%, respectively |
|
| History of PONV | 1 | ||
| Age <50 years | 1 | ||
| Use of opioids in the PACU | 1 | ||
| Nausea in the PACU | 1 | ||
| Maximum score | 5 | ||
| D | PDV in children 32, 33 | ||
| Strabismus, tonsillectomy, and
dental surgery |
1 | (D) PDNV incidence of 11–14% in outpatient pediatric patients
Long-acting opioids in operating room as well as during postdischarge had the highest incidence of PDNV at 36% |
|
| Intraoperative or postdischarge
opioids |
1 | ||
| Long-acting intraoperative
opioids |
1 | ||
| Pain | 1 | ||
| Presence of nausea on
discharge |
1 | ||
| Maximum score | 5 |
PACU, postanesthesia care unit; PDNV, postdischarge nausea and vomiting; PDV, postdischarge vomiting; PONV, postoperative nausea and vomiting; POV, postoperative vomiting