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. 2022 Feb 28;9(2):e26479. doi: 10.2196/26479

Table 5.

Estimated marginal means (EMMs) and log-transformed high-frequency heart rate variability comparisons among participants with posttraumatic stress disorder (PTSD; N=18) and a non-PTSD convenience sample cohort (N=46) for the 25-minute protocol condition.

Variable Participants with PTSD Participants without PTSD

T1a T2b T1

EMM (SE) Log10 (SE) EMM (SE) Log10 (SE) EMM (SE) Log10 (SE)
Baseline rest phase (5 minutes) 708.05 (224.96) 2.31 (0.19) 559.79 (147.12) 2.31 (0.18) 1467.45 (243.20) 2.90 (0.08)
ESTc 1 (0-5 minutes) 995.50 (344.73) 2.45 (0.19) 490.12 (131.23) 2.40 (0.13) 1827.16 (310.67) 3.00 (0.08)
EST 2 (5-10 minutes) 810.08 (264.90) 2.40 (0.18) 460.78 (103.26) 2.38 (0.14) 1446.24 (232.66) 2.94 (0.07)
GMd 1 (0-5 minutes) 774.59 (207.90) 2.45 (0.18) 810.19 (357.26) 2.50 (0.14) 1547.99 (217.75) 3.00 (0.07)
GM 2 (5-10 minutes) 580.94 (150.65) 2.42 (0.16) 408.61 (87.78) 2.44 (0.10) 1220.34 (175.18) 2.90 (0.07)

aT1: time point 1 (baseline).

bT2: time point 2 (postintervention).

cEST: emotional image stress task phase.

dGM: guided meditation phase.