. Author manuscript; available in PMC: 2010 Nov 1.

Published in final edited form as: Anesthesiology. 2009 Nov;111(5):1111–1119. doi: 10.1097/ALN.0b013e3181bbcc26

Table 2.

Paw withdrawal latency values at time points 90-210 min.

	90 min	120 min	150 min	180 min	210 min
Ropivacaine Mean PWL values (sec)	13.25	6.13	4.74	5.35	5.05
SEM	0.87	0.53	0.50	0.74	0.38
Ropivacaine + 2.7 μM (0.5 μg/kg) DEX Mean PWL values (sec)	14.81	13.68	7.76	5.99	4.67
SEM	0.22	1.02	1.27	1.07	0.44
Ropivacaine + 11.7 μM (2.0 μg/kg) DEX Mean PWL values (sec)	14.40	13.66	11.93	6.60	5.09
SEM	0.44	0.88	1.45	1.04	0.72
Ropivacaine + 34.1 μM (6.0 μg/kg) DEX Mean PWL values (sec)	14.75	14.74	13.56	11.89	8.65
SEM	0.27	0.34	0.85	1.28	1.21
Ropivacaine + 120.6 μM (20.0 μg/kg) DEX Mean PWL values (sec)	14.08	14.65	15.00	14.28	12.98
SEM	0.73	0.38	0.00	0.71	1.21

Paw withdrawal latency (PWL) measurements by time point were analyzed from 90-210 min (figs. 2 and 3).

DEX = dexmedetomidine, min = minutes, sec = seconds.