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. 2012 Aug 1;18(8):CR493–CR499. doi: 10.12659/MSM.883269

Table 4.

Autonomic nervous system activity indices.

ANS indices
ANS test Parameter Patients Controls
Deep breathing test E/I 1.25±0.13 1.27±0.05
DBD 207.33±96.04 230.8±52.29
Valsalva manoeuvre VR 1.47±0.29 1.41±0.21
Tilt test 30/15 1±0.09 1.23±0.14
Hand grip test Δ diastolic BP 23.03±16.2 20.33±6.42

E/I – inspiratory to expiratory ratio of the longest and the shortest RR interval; DBD – deep breathing difference; VR – valsalva ratio; BP – blood pressure.