Per cent regional anesthesia use for appropriate elderly patients with hip fracture for 9 months prior to and 6 months after the initiation of the protocol
| Anesthesia team | Preintervention baseline data (9 months) | Postprotocol intervention (6 months) |
| Red | 24% (17/72) | 71% (30/42) |
| Blue | 51% (34/67) | 62% (32/51) |
| All teams combined | 37% (51/139) | 67% (62/93) |