Table 1.

Pre-post treatment changes in cardiovascular measures and post-treatment skin conductance values under the three treatment conditions; mean (95% CI)

Measure	Placebo	Diazepam	Diphenhydramine
Systolic BP (mmHg)	0.20 (−5.54, 5.94)	−6.47 (−10.43, 2.51)	−0.27 (−6.86, 7.39)
Diastolic BP(mmHg)	−2.33 (−5.83,1.16)	−2.47 (−8.45, 3.52)	0.67 (−3.91, 5.24)
Heart rate (bpm)	−3.57 (−7.64, 0.51)	−4.33 (−8.68, 0.02)	−2.77 (−8.03, 2.50)
Skin conductance (µS)	7.71 (5.60, 9.80)	7.60 (5.03, 10.17)	5.86 (3.39, 8.32)