Australian National Diabetes Information Audit & Benchmarking (ANDIAB) 2011 Final Report

2.4.4 Blood Pressure

Data on blood pressure level among individuals

Page last updated: December 2011

Recorded

Most recent/current Blood Pressure [Systolic(SBP)/Diastolic(DBP)], ‘On Anti-hypertensive Treatment?’ {antiBP Rx}[No/Yes], ‘On ACE Inhibitor?’[No/Yes], ‘On Calcium Antag?’[No/Yes], ‘On Beta Blocker?’[No/Yes], ‘On A2 Antag?’ [No/Yes].

% Missing (Overall)

SBP 3.1% DBP 3.1% ;
On Anti-hypertensive treatment 16.2% [and 16.3% if conditional on age >18] ;
On ACE 29.2% [16.9% if conditional on Anti-hypertensive treatment = Yes],
On ACE+Thiazide 24.7% [18.6% if conditional on Anti-BP treatment = Yes],
On A2 Antagonist 31.0% [18.7% if conditional on Anti-BP treatment = Yes],
On A2 Antag+Thiazide 24.5% [17.9% conditional on Anti-BP Rx = Yes].
On Calcium Antag 31.8% [19.8% if conditional on Anti-BP treatment = Yes],
On Beta Blocker 32.4% [20.4% if conditional on Anti-BP treatment = Yes],
On Thiazide 43.7% [36.1% if conditional on Anti-BP treatment = Yes].
On ‘Other’ 37.0% [26.7% if conditional on Anti-BP treatment = Yes].
This meant that in 82.0% of records, a Blood Pressure result and Anti-Hypertensive Treatment status were available for combined analysis.

Results

[1] % On Anti-hypertensive Treatment
Overall [2637/4629] 57.0% All Adult –For Age>18 [2600/4629] 57.4%
[2a] % On ACE Inhibitor [if On Anti-hypertensive Treatment = Yes]
Overall [1144 / 2637] 52.2%
[2b] % On ACE Inhibitor + Thiazide [if On Anti-BP Treatment = Yes]
Overall [ 181 / 2637] 8.4%
[2c] % On A2 Antagonist [if On Anti-hypertensive Treatment = Yes]
Overall [ 734 / 2637] 34.2%
[2d] % On A2 Antagonist + Thiazide [if On Anti-BP Treatment = Yes]
Overall [ 431 / 2637] 19.9%
[2e] % On Calcium Antagonist [if On Anti-hypertensive Treatment = Yes]
Overall [ 825 / 2637] 39.0%
[2f] % On Beta Blocker [if On Anti-hypertensive Treatment = Yes]
Overall [ 690 / 2637] 32.9%
[2f] % On Thiazide [if On Anti-hypertensive Treatment = Yes]
Overall [ 143 / 2637] 8.5%
[2g] % On ‘Other’ [if On Anti-hypertensive Treatment = Yes]
Overall [ 335 / 2637] 17.3%
[3] Mean SD : [see Table 13] There were 4484 BP levels recorded, with 3798 where ‘on anti-hypertensive Rx’ was recorded as Yes or No.

Table 13 gives overall results for Blood Pressure for the Total Group and broken down by ‘On Anti-hypertensive Treatment’ status (On antiBP Rx)[Yes, No, or antiBPRx Unstated (?)].

Table 13 – Blood Pressure (Mean SD)

Blood Pressure
[All n]
All
n = 4629
Adult
n = 4629
Paediatric
n = 0
Overall
4484
130 18 / 74 10
On AntiBP Rx: Yes
2594
134 18 / 74 11
On AntiBP Rx: No
1204
122 15 / 73 10
On AntiBP Rx: Missing
686
127 17 / 73 11
Overall NHMRC EB Guidelines Criteria ≤130/80 (53.0%) & >130/80 (47.0%).

Tables on pp 101-102 of Appendix 5 show the breakdown for Mean BP by Age (≤60, >60) for all data. The Graphs show the spread/comparison of site’s results ranked in order for totals and broken down by Age. See pp 155-170 of Appendix 5 for BP Tablet data.
The pages are All Sites Data which in 2011 is all Adult Forms Data.

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Australian National Diabetes Information Audit & Benchmarking (ANDIAB) 2011 Final Report(PDF 559 KB)