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Table 4 Association between changes (Δ) in parameters following exposure to smoking cues during withdrawal (follow up I) and continuous abstinence at follow up II (six weeks after the target quit date)

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

Parameters

Δ (smoking cues – rest)

p value for interaction (repeated measures ANOVA)

Continuous abstinence (n = 9)

Relapse (n = 8)

MSNA burst frequency [bursts/min]

+0.5 ± 2.1

−1.1 ± 1.6

0.554

MSNA burst incidence [bursts/100 heart beats]

+1.4 ± 3.2

−4.0 ± 2.8

0.237

Heart rate [1/min]

−1.1 ± 0.7

+2.5 ± 1.2

0.018

BRS [ms/mmHg]

+9.3 ± 6.6

−3.8 ± 2.3

0.107

SBP [mmHg]

+4.5 ± 2.2

+1.0 ± 2.9

0.342

DBP [mmHg]

+0.4 ± 2.5

+1.3 ± 2.0

0.779