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Table 2 Changes (Δ) of parameters at rest between baseline and acute smoking withdrawal (follow up I)

From: Effects of varenicline on sympatho-vagal balance and cue reactivity during smoking withdrawal: a randomised placebo-controlled trial

Parameters Δ (follow up I - baseline) p value for interaction (repeated measures ANOVA)
Placebo Varenicline
MSNA burst frequency [bursts/min] −6.3 ± 2.4* −2.7 ± 2.4 0.308
MSNA burst incidence [bursts/100 heart beats] −3.0 ± 3.3 −3.9 ± 5.0 0.886
Heart rate [1/min] −6.9 ± 2.6* −0.5 ± 2.1 0.078
BRS [ms/mmHg] +6.6 ± 3.4 −2.3 ± 2.9 0.086
SBP [mmHg] −8.4 ± 3.4* −3.4 ± 2.5 0.277
DBP [mmHg] −3.4 ± 2.3 +0.4 ± 3.3 0.333
  1. *p < 0.05 for within-group changes assessed in a paired T test