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. Author manuscript; available in PMC: 2013 Oct 1.

Published in final edited form as: J Consult Clin Psychol. 2012 Apr 9;80(5):773–785. doi: 10.1037/a0028032

Table 3.

Mean (and SD) for within-session and between-session activation and reduction.

	Within-Session Activation	Within-Session Reduction	Between-Session Reduction^a
Physiological Measures
PCO₂	4.78(2.89)^**	2.43(2.84)^**	0.39(0.52)
HR	11.79(6.06)^**	5.75(6.09)^**	−0.51(1.00)
RR	5.74(3.50)^**	4.91(3.66)^**	−1.04(0.22)^**

Experiential Measures
DSM-IV panic symptoms	0.71(0.54)^**	0.28(0.40)^**	0.61(0.45)
Anxiety	0.97(1.12)^**	−0.93(0.93)^**	0.30(0.11)^**

Note:

^**

p ≤ .01.

^a

Between-session reduction is slope of change over the 3 weekly exposure sessions.