Table 4.

Postoperative morphine consumption in the PACU (mg), mean ± SD

Time (minutes)	Standard group (n=57)	Block group (n=47)	P-valuea
0	1.84±3.358	0.98±2.005	0.128
15	4.12±2.693	2.57±2.500	0.03
30	3.04±2.618	0.8±1.84	<0.001
45	0.88±1.919	0.6±1.597	0.424
60	0.26±1.126	0.32±1.235	0.810
Total dose	10.14±5.26	5.48±4.29	<0.001

Note:

^aA P-value of 0.05 is considered to be statistically significant.

Abbreviation: PACU, post-anesthesia care unit.