Adverse events | Group P | Group R | P value |
---|---|---|---|
Adverse events related to block procedures | |||
 Pneumothorax or hydropneumothorax | 1 (3) | 0 (0) | 1.000 |
 Nerve injury | 0 (0) | 0 (0) | – |
 Bleeding complications | 0 (0) | 0 (0) | – |
 Infection | 0 (0) | 0 (0) | – |
Other adverse events | |||
 Bradycardia | 0 (0) | 0 (0) | – |
 Hypotension | 0 (0) | 0 (0) | – |
 Hypoxemia | 0 (0) | 0 (0) | – |
 Respiratory depression | 0 (0) | 0 (0) | – |
 Nausea | 1 (3) | 8 (27) | 0.026 |
 Vomiting | 1 (3) | 4 (13) | 0.353 |
 Pruritus | 0 (0) | 0 (0) | – |
 Dizziness | 2 (7) | 4 (13) | 0.671 |
 Neurotoxicity | 0 (0) | 0 (0) | – |