Neuraxial blockade v no neuraxial blockade on mortality and morbidity at 30 days*
| Weighted event rates | ||||
|---|---|---|---|---|
| Outcomes | Blockade | No blockade | RRR (95% CI) | NNT (CI) |
| *Abbreviations defined in glossary; RRR, NNT, and CI calculated from data in article. | ||||
| Mortality | 2% | 3% | 31% (12 to 46) | 104 (62 to 310) |
| Deep venous thrombosis | 3% | 5% | 37% (22 to 48) | 58 (40 to 105) |
| Pulmonary embolism | 0.6% | 1.4% | 56% (33 to 71) | 126 (82 to 251) |
| Perioperative transfusion | 4% | 6% | 34% (21 to 45) | 50 (35 to 87) |
| Post-operative transfusion | 0.6% | 1.5% | 57% (34 to 72) | 120 (79 to 230) |
| Pneumonia | 3% | 5% | 40% (26 to 51) | 50 (35 to 81) |