Table 3 Comparison of blood pressure drop value before and after intervention in the two groups

From: Effectiveness of the intelligent hypertension excellence centers (iHEC) therapy model in the blood pressure management of older hypertensive patients: a randomized controlled trial

 

Intervention group (n = 261)

Control group (n = 256)

Corrected difference (95%CI)

P values

Baseline

Month 12

Change

Baseline

Month 12

Change

SBP(mmHg) median, (IQR)

149 (135,160)

135 (127,145)

12 (−3,23)

148 (134,160)

138 (131,150)

8 (−11,20)

4.2 (2.0,6.4)

<0.01

DBP(mmHg) median, (IQR)

69 (63,78)

63 (58,69)

7 (−2,14)

70 (64,78)

64 (59,69)

6 (−3,13)

1.1 (−0.1,2.9)

0.09

  1. SBP systolic blood pressure, DBP diastolic blood pressure, IQR interquartile range, CI confidence internal