Table 1.
A comparison of baseline characteristics between patients undergoing total joint arthroplasty with and without IVR-adjunct anesthesia.
| Characteristics | IVR | No IVR | P value |
|---|---|---|---|
| Age (mean, range) | 74 (57-93) y | 73 (54-89) y | .601 |
| Sex | |||
| Female | 12 | 24 | .999 |
| Male | 6 | 12 | |
| Body mass index (mean, range) | 28 (20-35) kg/m2 | 28 (22-34) kg/m2 | .659 |
| ASA score | |||
| 2 | 8 | 29 | .007 |
| 3 | 10 | 7 | |
| Anesthesia type | |||
| Spinal | 5 | 6 | .203 |
| Spinal with block | 13 | 30 | |
| Procedure | |||
| Total hip arthroplasty | 8 | 16 | .999 |
| Total knee arthroplasty | 7 | 14 | |
| Robotic-assisted total knee arthroplasty | 3 | 6 | |
| Preoperative heart rate (mean, SD) | 81 (±14) beats/min | 84 (±15) beats/min | .588 |
| Preoperative systolic blood pressure (mean, SD) | 125 (±24) mm/Hg | 114 (±20) mm/Hg | .106 |
| Preoperative hemoglobin (mean, SD) | 13.8 (±1.4) g/dL | 13.5 (±1.2) g/dL | .653 |
| Preoperative OME given (mean, range) | 24 (0-55) OMEs | 28 (1-58) OMEs | .178 |
ASA, American Society of Anesthesiology score; SD, standard deviation.