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Table 2 BP after intervention and adjusted mean change in BP

From: Impact of yoga on blood pressure and quality of life in patients with hypertension – a controlled trial in primary care, matched for systolic blood pressure

  Intervention group 1 Intervention group 2 Group 3
Yoga class group Yoga at home group Control group
OC PPS OC PPS OC PPS
n = 28 n = 21 n = 26 n = 20 n = 26 n = 23
Mean (SE) Mean (SE) Mean (SE) Mean (SE) Mean (SE) Mean (SE)
SBP (mmHg) 144.1 (2.6) 144.3 (3.1) 137.0 (2.7) 138.4 (3.2) 141.5 (2.7) 142.6 (3.0)
Change from baseline 0.3 (2.6) -0.2 (3.1) -6.8 (2.7) -6.1 (3.2) -2.3 (2.7) -1.9 (3.0)
P-value 0.917 0.954 0.013** 0.061 0.381 0.527
Difference vs. control 2.6 (3.7) 1.7 (4.3) -4.4 (3.8) -4.2 (4.4)   
P-value 0.482 0.693 0.241 0.341   
DBP (mmHg) 89.4 (1.6) 89.5 (1.9) 84.7 (1.6) 85.3 (1.9) 89.9 (1.6) 90.2 (1.8)
Change from baseline 0.2 (1.6) 0.3 (1.9) -4.4 (1.6) -3.9 (1.9) 0.8 (1.6) 1.01 (1.8)
P-value 0.889 0.890 0.008** 0.045** 0.612 0.571
Difference vs. control -0.6 (2.5) -0.8 (2.6) -5.2 (2.3) -4.9 (2.6)   
P-value 0.794 0.771 0.025* 0.064   
Yoga sessions during intervention† 47.2 52.7 63.9 72.6   
  1. *Significant difference compared to control (p < 0.05).
  2. **Significant change from baseline (p < 0.05).
  3. †According to yoga calendar (yoga class sessions and yoga at home sessions).
  4. OC, observed cases; PPS, per protocol set; SE, standard error of the mean; SBP, systolic blood pressure; DBP, diastolic blood pressure.
  5. The PPS consists of all patients who (1) practiced yoga at least once a week for nine weeks or more and (2) had no change in medication during the study period.