| Author (year) | Study population | Sample size | Clinical pathway assessed | ||
| Pre-operative | Intra-operative | Postoperative | |||
| Warner (1998) | Pediatric | 242 | X |
| X |
| Emil (2006) | Pediatric | 397 | X | X | X |
| Slusher (2014) | Pediatric | 253 |
| X | X |
| Saucier (2014) | Pediatric | 216 | X |
|
|
| Farach (2014) | Pediatric | 349 | X | X | X |
| Frazee (2014) | Pediatric | 345 |
| X | X |
| Takegami (2003) | Adult | 185 |
| X |
|