Variable | Group 8 mL | Group 16 mL | Difference and 95% CI | P | |||
---|---|---|---|---|---|---|---|
Coverage of posterior incision by temperature discrimination test, % | 0.0 | (0.0–0.0) | 0.0 | (0.0–0.0) | 0.0 | (0.0–3.5) | 0.345 |
Coverage of lateral incision by temperature discrimination test, % | 0.0 | (0.0–19.3) | 19.5 | (0–45.3) | 7.8 | (−2.6–24.5) | 0.221 |
Coverage of posterior incision by mechanical discrimination test, % | 0.0 | (0.0–0.0) | 0.0 | (0.0–0.0) | 0.0 | (0.0–0.0) | 0.715 |
Coverage of lateral incision by mechanical discrimination test, % | 0.0 | (0.0–20.3) | 0.0 | (0.0–29.5) | 3.9 | (0.0–16.5) | 0.110 |
Blocked area assessed by temperature discrimination test, cm2 | 418 | (225.0) | 564 | (182.7) | 146.3 | (35.7–256.9) | 0.012 |
Blocked area assessed by mechanical discrimination test, cm2 | 369 | (211.4) | 461 | (156.0) | 92.2 | (7.8–176.6) | 0.034 |
Post-block MVIC ≤80% of baseline, n | 2 | 2 | 1.00 | ||||
No pain during THS at superior portion of posterior incision, n | 0 | 0 | 1.00 | ||||
No pain during THS at superior portion of lateral incision, n | 0 | 0 | 1.00 | ||||
No pain during THS at inferior portion of posterior incision, n | 0 | 1 | 1.00 | ||||
No pain during THS at inferior portion of lateral incision, n | 2 | 2 | 1.00 |