Table 4 Low dose (<11 mg) vs. High Dose (≥11 mg) bupivacaine
Outcome – n (%) or Avg. ± SD | Total Hip Arthroplasty | Total Knee Arthroplasty | ||||
|---|---|---|---|---|---|---|
High Dose Bupivacaine (n=213) | Low Dose Bupivacaine (n=222) | P-Value | High Dose Bupivacaine (n=203) | Low Dose Bupivacaine (n=327) | P-Value | |
Avg. Dose | 12.41 ± 1.12 | 9.76 ± 1.23 | <0.001 | 12.19 ± 1.08 | 9.80 ± 1.15 | <0.001 |
Isobaric Bupivacaine | 31 (14.6) | 3 (1.4) | <0.001 | 17 (8.4) | 11 (3.4) | 0.012 |
0-Day LOS | 48 (22.5) | 56 (25.2) | 0.511 | 18 (8.9) | 41 (12.5) | 0.191 |
LOS Days | 0.95 ± 0.78 | 0.91 ± 0.84 | 0.620 | 1.07 ± 0.73 | 1.09 ± 0.98 | 0.823 |
Failed SDD Attempt | 20 (6.0) | 6 (6.1) | 0.968 | 13 (3.4) | 4 (2.8) | 0.757 |
Ambulated POD0 | 141 (66.2) | 160 (72.1) | 0.185 | 134 (66.0) | 211 (64.5) | 0.728 |
First 6-Clicks Mobility Scorea | 20.29 ± 2.95 | 20.39 ± 2.66 | 0.740 | 20.11 ± 2.71 | 20.17 ± 2.76 | 0.822 |
First PT Ambulation Distance (ft)b | 160.42 ± 96.02 | 141.07 ± 100.99 | 0.052 | 132.54 ± 100.27 | 133.82 ± 96.53 | 0.887 |
Urinary Retention | 5 (2.3) | 2 (0.9) | 0.276* | 2 (1.0) | 4 (1.2) | 1.000* |
Home Discharge | 206 (96.7) | 214 (96.4) | 0.856 | 195 (96.1) | 318 (97.2) | 0.450 |
30-Day Readmission | 2 (0.9) | 6 (2.7) | 0.285* | 11 (5.4) | 19 (5.8) | 0.850 |
30-Day ED Return | 7 (3.3) | 8 (3.6) | 0.856 | 4 (2.0) | 11 (3.4) | 0.347 |