Research Article

Tai Chi Enhances the Effects of Endurance Training in the Rehabilitation of Elderly Patients with Chronic Heart Failure

Table 2

Comparison of Delta (Baseline versus 12 Weeks) of Hemodynamic, and Muscle Strength in the CT and ET Groups. Data Are Expressed as Mean ± Standard Deviation.

CT group ( 𝑛 = 3 0 )ET group ( 𝑛 = 3 0 )Between-groups comparison
Baseline12 weeksDeltaBaseline12 weeksDelta( 𝑃 )

Exercise tolerance
 6MWT, m 2 1 4 . 9 ± 3 2 2 9 1 . 5 ± 4 6 7 7 . 4 ± 2 6 2 1 9 . 2 ± 2 3 2 7 2 . 0 ± 3 3 5 3 . 2 ± 1 6 .031
Hemodynamic
 Heart rate, bpm 7 2 . 3 ± 1 2 6 4 . 5 ± 1 1 8 . 2 ± 2 . 2 7 4 . 6 ± 1 1 6 9 . 5 ± 9 5 . 7 ± 1 . 6 .074
 Systolic BP, mmHg 1 3 1 . 3 ± 2 6 1 1 5 . 6 ± 2 3 1 3 . 4 ± 2 . 4 1 3 4 . 1 ± 2 9 1 2 7 . 7 ± 3 1 6 . 4 ± 1 . 3 .025
 Diastolic BP, mmHg 8 4 . 3 ± 1 4 7 9 . 6 ± 1 3 5 . 6 ± 1 . 4 8 3 . 9 ± 1 7 7 9 . 6 ± 1 4 4 . 3 ± 0 . 7 .66
 NT pro-BNP, pg/mL 1 3 6 . 4 ± 3 1 9 9 . 7 ± 2 2 3 6 . 7 ± 8 1 3 4 . 5 ± 2 8 1 1 1 . 7 ± 2 4 2 2 . 8 ± 7 .015
Muscle strength
 MVC, N 6 5 . 4 ± 1 5 8 3 . 6 ± 1 9 1 8 . 2 ± 4 6 6 . 0 ± 1 1 8 0 . 1 ± 2 0 1 4 . 1 ± 3 .069
 PT, Nm 4 1 . 3 ± 1 7 . 4 6 8 . 2 ± 9 2 6 . 9 ± 7 4 2 . 6 ± 1 7 . 4 5 6 . 7 ± 1 1 1 9 ± 1 .037

6MWT: 6 minutes walking test
BP: blood pressure
NT pro-BNP: amino terminal probrain natriuretic peptide
MVC: maximal voluntary contraction
PT: peak torque.