Table 3.

Oral Opioid Requirements and Sleep Disturbances

	Oral Opioid,* mg		Difficulty Sleeping,† Subjects per Group		At Least One Awakening,† Subjects per Group
Postoperative Day/Night	Ropivacaine Group	Placebo Group	Ropivacaine Group	Placebo Group	Ropivacaine Group	Placebo Group
Because each comparison dilutes all other P values, we restricted our analysis to 11 comparisons among secondary endpoints. For this reason, no statistical comparisons were applied to the data of this table.
0	0 (0-0)	0 (0-0)	3	6	3	6
1	20 (5-30)	20 (25-30)	3	2	3	2
2	10 (0-25)	20 (10-30)	1	3	1	4
3	0 (0-5)	5 (0-30)	4	3	4	3
4	0 (0-15)	10 (0-20)	4	7	4	7
5	10 (5-25)	10 (0-20)	4	3	3	3
6	10 (5-20)	10 (0-15)	‡	‡	‡	‡

^*Values are reported as median (25th-75th percentiles) for nonparametric data. Includes only immediate-release oxycodone provided for breakthrough pain for the previous 24 h as of 18:00 each day, with the exception of postoperative day 0, which includes only the postanesthesia care unit (recovery room).

^†As a result of surgical pain.

^‡Data not collected.