Table 3: Milligram morphine equivalents compared between liposomal bupivacaine and standard bupivacaine groups.
LB |
SB |
||||||||||
N |
Mean |
SD |
Median |
Range |
N |
Mean |
Std Dev |
Median |
Range |
p-value (Wilcoxon rank sum test) |
|
MME postop |
40 |
2.63 |
8.12 |
0 |
(0-37.5) |
40 |
2.25 |
7.31 |
0 |
(0-35) |
0.7538 |
MME at 24 hour phone call |
40 |
6.00 |
8.32 |
0 |
(0-30) |
40 |
13.89 |
12.41 |
11.00 |
(0-45) |
0.0017* |
MME at 48 hour phone call |
40 |
11.45 |
14.97 |
7.75 |
(0-75) |
40 |
20.23 |
16.74 |
15.00 |
(0-67.5) |
0.0061* |
MME at 72 hour phone call |
40 |
9.13 |
11.59 |
2.00 |
(0-45) |
40 |
17.21 |
20.40 |
15.00 |
(0-90) |
0.0717 |
Cumulative MME up to 24 hours |
40 |
8.63 |
12.77 |
7.50 |
(0-65) |
40 |
16.14 |
14.71 |
15.00 |
(0-50) |
0.0072* |
Cumulative MME up to 48 hours |
40 |
20.07 |
23.59 |
9.00 |
(0-105) |
40 |
36.36 |
26.93 |
30.00 |
(0-98.5) |
0.0033* |
Cumulative MME up to 72 hours |
40 |
29.20 |
31.11 |
22.50 |
(0-150) |
40 |
53.58 |
43.40 |
45.00 |
(0-187.50) |
0.0056* |
Notes: *indicates statistically significant (p < 0.05)
Abbreviations: LB: Liposomal Bupivacaine; SB: Standard Bupivacaine; SD: Standard Deviation; MME: Milligram Morphine Equivalents