Control (N=57)			Sufentanil Sublingual Tablet (N=53)
	Mean ± SE or N	%		Mean ± SE or N	%
Patient Age	69.5 ± 1.4			68.2 ± 1.3
<65	17	30		17	32
≥65	40	70		36	68
Body Mass Index	33.0 ± 0.9			32.6 ± 1.1
<25	6	11		8	15
25-34	29	50		28	53
≥35	21	37		17	32
Patient Sex
Male	27	47		17	32
Female	30	53		36	68
Comorbidities
ASA I	10	18		5	9
ASA II	24	42		22	42
ASA III	23	40		26	49
Procedure
Total Knee	32	56		28	53
Total Hip	25	44		25	47
Anesthesia
Spinal	51	90		48	91
General	6	11		5	9