Table 1 Patient demographics and comorbidities
Total Hip Arthroplasty | Total Knee Arthroplasty | |||||||
|---|---|---|---|---|---|---|---|---|
Variable – n (%) or Avg. ± SD | Hyperbaric Bupivacaine (n=401) | Isobaric Bupivacaine (n=34) | Mepivacaine (n=232) | P-Value | Hyperbaric Bupivacaine (n=502) | Isobaric Bupivacaine (n=28) | Mepivacaine (n=131) | P-Value |
Age | 66.7 ± 11.4 | 65.3 ± 12.0 | 63.2 ± 9.6 | 0.001 | 68.9 ± 8.3 | 68.9 ± 8.2 | 66.1 ± 8.5 | <0.001 |
BMI | 29.4 ± 5.4 | 30.0 ± 6.0 | 28.5 ± 5.2 | 0.072 | 31.7 ± 5.3 | 31.3 ± 5.5 | 30.7 ± 4.9 | 0.061 |
Female | 224 (55.9) | 14 (41.2) | 130 (56.0) | 0.242 | 314 (62.5) | 20 (71.4) | 131 (50.0) | 0.001 |
ASA ≥ 3 | 154 (38.4) | 18 (52.9) | 50 (21.6) | <0.001 | 225 (44.8) | 10 (35.7) | 82 (31.3) | 0.001 |
CCI | 3.15 ± 1.78 | 3.09 ± 1.73 | 2.48 ± 1.56 | <0.001 | 3.35 ± 1.76 | 3.29 ± 1.27 | 2.91 ± 1.70 | 0.004 |