Table 3 Association between cuff SBP, DBP and PP accuracy and invasive SBP amplification

From: Accuracy of cuff blood pressure and systolic blood pressure amplification

 

na

βb

95%CI

R2(%)c

p

Cuff – invasive brachial SBP

  Unadjusted

755

−0.57

(−0.65 to −0.49)

18.8

<0.001

  Adjustedd

755

−0.52

(−0.60 to −0.44)

32.7

<0.001

Cuff – invasive brachial DBP

  Unadjusted

755

−0.11

(−0.18 to −0.05)

1.4

0.001

  Adjustedd

755

−0.08

(−0.14 to −0.01)

10.8

0.021

Cuff – invasive brachial PP

  Unadjusted

755

−0.46

(−0.55 to −0.36)

10.8

<0.001

  Adjustedd

755

−0.45

(−0.53 to −0.36)

25.2

<0.001

  1. SBP systolic blood pressure, DBP diastolic blood pressure, PP pulse pressure
  2. adue to missing data, complete case analysis was conducted;
  3. bunstandardised beta, invasive SBP amplification was defined as invasive brachial SBP minus invasive aortic SBP;
  4. cadjusted R2;
  5. dadjusted for sex, age, height, coronary artery disease, heart rate, and mean invasive brachial arterial pressure
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