Table 5.

ROI median beta values with 95% highest density intervals following thermal stimulation to the abdomen

Region	Gabapentin	Placebo	Difference	P value
Left insula	−0.14 (−1.71 to 0.44)	−0.23 (−1.01 to 0.14)	(−0.98 to 0.82)	0.8820
Right insula	−0.38 (−0.52 to 0.01)	−0.19 (−0.51 to 0.13)	(−0.54 to 0.32)	0.5160
Left thalamus	0.97 (−0.28 to 2.44)	1.97 (−1.12 to 3.31)	(−2.53 to 1.4)	0.3620
Right thalamus	−0.11 (−0.83 to 0.03)	−0.08 (−0.37 to 0.66)	(−0.84 to 0.23)	0.7360
PAG	−0.35 (−0.7 to –0.004)	0.0004 (−0.07 to 0.09)	(−0.61 to –0.05)	0.004
Brain stem	−0.3579 (−1.25 to 0.21)	−0.52 (−3.71 to 0.61)	(−1 2.5)	0.7900

Please note difference=percentile bootstrap median difference and associated p value of this.

ROI, region of interest.