Appendix 7 : Final Report - Pooled Data Year Comparisons

Page last updated: 24 September 2012

NADC - ANDIAB
Australian National Diabetes Information Audit & Benchmarking



Final Report
ANDIAB 2011
[November 2011]



Australian National Association Of Diabetes Centres
ANDIAB
Australian National Diabetes Information Audit & Benchmarking



ANDIAB 2011 Final Report – Pooled Data



  • National [All States and Territories in 2011];
  • 39 Diabetes Centres & 3 Specialist Endocrinologist versus
[28/4 in 1998], [44/13 in 1999], [41/9 in 2000], [24/7 in 2002], [24/2 in 2004], [15/1in 2006], [40/2 in 2009];
NB The National Diabetes Collaborative Project collected the same data from 9 more sites in 2006.
  • 1 Calendar Month data collection [Mar 1998-2000] [July or Aug 2002] [Oct or Nov 2004 & 2006] [May or June 2009 & 2011];
  • Standardised National Minimum Dataset [NDOQRIN];
  • Demographic, Clinical, Biochemical & Outcome Data;
  • ‘Double Blind’ [Sites & Data Analysis Centre] [Co-ordinated by the NADC Secretariat];
  • 1 Page Faxable/Scannable Form;
  • 7 Sites sent data by Disk or Email versus [2 in 1998], [3 in 1999], [1 in 2000], [6 in 2002], [12 in 2004], [3 in 2006] & [12 in 2009].
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Demographic Data1998

n = 4535

1999

n = 7110

2000

n = 5680

2002 *

n = 3154

2004

n = 3108

2006

n = 1624

2009

n = 8563

2009 **

n = 6029

2011

n = 4629

Mean Age [Yrs]53.3 20.053.2 20.154.8 19.153.6 20.558.6 16.260.1 15.343.9 24.856.8 17.357.2 17.3
Mean Diabetes Duration [Yrs]9.4 9.59.5 9.89.2 9.59.6 9.310.6 9.511.9 9.310.9 9.713.3 10.413.9 10.6
Sex [% Male]51.1% 50.5% 50.0% 50.4% 53.3% 53.8% 52.4% 53.0% 53.8%
Diabetes Type Type 127.8% 26.7% 21.1% 23.4% 17.2% 13.9% 44.5% 21.8% 22.7%
Diabetes Type Type 268.2% 69.1% 75.0% 70.7% 78.7% 83.2% 51.5% 72.5% 72.5%
Diabetes Type GDM2.7% 2.6% 2.8% 2.3% 1.4% 1.2% 1.5% 2.1% 1.9%
Diabetes Type DK0.4% 0.4% 0.2% 0.3% 0.4% 0.1% 0.1% 0.2% 0.3%
Diabetes Type Other0.0% 0.0% 0.2% 0.8% 1.4% 1.2% 0.6% 0.8% 1.3%
Diabetes Type ?0.9% 1.1% 0.7% 2.5% 0.9% 0.4% 1.8% 2.6% 1.3%
1998 & 1999 Age and Duration were recalculated in line with the 2000 onwards methodology

DK = Don’t Know; ? = Unstated


*Note 2002 data recalculated- includes extra data from one site that was not included in the released ANDIAB 2002 Report
**2009 Adult Data Only


Current Data1998

n = 4535

1999

n = 7110

2000

n = 5680

2002 *

n = 3154

2004

n = 3108

2006

n = 1624

2009

n = 8563

2009 **

n = 6029

2011

n = 4629

Current Foot Ulcer2.2%2.4%2.7%2.0%1.8%Not in 20061.2%1.7%2.1%
Active Foot Lesion2.8%3.7%3.2%3.1%2.7%Not in 20061.3%1.8%2.5%
Previous Foot Ulcer History5.3%5.0%5.7%4.5%5.1%Not in 20062.8%3.9%5.5%
Peripheral Vascular Disease11.6%12.2%11.7%12.0%12.4%Not in 20066.9%9.8%11.7%
Peripheral Neuropathy25.0%23.0%22.5%23.2%25.0%Not in 200613.7%18.6%21.9%
Microalbuminuria#21.9%27.7%29.9%29.2%28.0%31.8%24.0%24.5%27.0%
Macroalbuminuria #5.1%5.8%6.1%6.8%6.4%10.2%8.7%9.1%12.3%
Proteinuria>300 mg/24 hr#43.5%40.6%52.0%56.6%39.3%40.8%39.5%1.0%32.9%

*Note 2002 data recalculated- includes extra data from one site that was not included in the released ANDIAB 2002 Report
# i.e. % of those who had this measured
**2009 Adult Data Only
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Risk Factor Data1998

n = 4535

1999

n = 7110

2000

n = 5680

2002 *

n = 3154

2004

n = 3108

2006

n = 1624

2009

n = 8563

2009 **

n = 6029

2011

n = 4629

Current Smokers10.8%10.0%10.0%9.2%9.4%10.4%7.4%10.3%9.9%
Past Smokers-----29.1%19.7%28.0%23.5%
Never Smoked-----49.1%27.1%36.8%39.5%
On Antihypertensive Therapy35.9%38.1%39.7%48.1%56.4%55.4%36.8%52.2%57.0%
BP > 130/8054.8%53.3%52.8%53.2%47.9%42.9%41.8%46.5%46.9%
BP ≥ 130/8072.9%71.3%70.9%71.2%68.2%62.3%58.0%64.7%61.7%
Hypercholesterolaemia >6.511.2%8.7%8.0%5.2%4.1%3.0%4.1%4.1%3.5%
Hypercholesterolaemia (5.5 – 6.5 )27.2% 27.0% 22.2% 17.5% 15.7% 10.6% 10.1% 10.2% 9.0%
Hypercholesterolaemia (5.0-6.5)46.2% 46.7% 42.4% 34.7% 30.3% 22.0% 21.7% 15.8% 18.8%
Hypertriglyceridaemia >4.0 9.0% 8.2% 8.2% 6.0% 6.7% 4.5% 4.6% 4.6% 5.4%
Hypertriglyceridaemia (2.0-4.0)32.2% 32.7% 33.3% 30.9% 27.7% 27.4% 26.8% 27.0% 25.2%
Reduced HDL Cholesterol<1.0 31.0% 26.8% 25.0% 23.3% 20.0% 17.9% 23.6% 24.3% 27.6%
Raised LDL ≥2.5 76.0% 71.3% 65.3% 54.0% 45.5% 36.8% 37.9% 37.8% 33.6%
On AntiLipid TherapyNot Collected 18.6% 21.2% 30.9% 41.0% 52.0% 37.3% 52.9% 60.2%
Over Wt / Obese Type 2 >27 kg/m 66.7% 69.9% 69.9% 75.6% 73.0% 72.5% 77.2% 77.2% 79.9%

*Note 2002 data recalculated- includes extra data from one site that was not included in the released ANDIAB 2002 Report
# i.e. % of those who had this measured
**2009 Adult Data Only


Complications / Events in the past 12 months1998

n = 4535

1999

n = 7110

2000

n = 5680

2002 *

n = 3154

2004

n = 3108

2006

n = 1624

2009

n = 8563

2009 **

n = 6029

2011

n = 4629

Severe Hypoglycaemia4.5% 4.5% 3.3% 3.7% 4.6% 4.6% 2.3% 3.2% 4.8%
Myocardial Infarct4.2% 2.3% 2.0% 2.9% 2.0% 2.1% 2.1% 3.0% 4.0%
CABG/ Angioplasty/ Stent-2.7% 2.4% 2.9% 2.4% 2.4% 2.0% 2.8% 2.7%
Cerebral Stoke 2.2% 2.1% 1.6% 1.8% 0.8% 1.0% 0.9% 1.3% 1.6%
End Stage Renal Disease [ESRD] 1.1% 0.8% 0.7% 0.4% 0.2% 0.4% 0.2% 0.3% 0.4%
Lower Limb Amputation 1.0% 0.9% 0.7% 0.7% 0.5% 0.7% 0.5% 0.6% 0.7%
New Blindness 0.7% 1.4% 1.3% 0.8% 0.6% 0.7% 0.5% 0.7% 0.9%
Erectile Dysfunction [%males]-2.9% 2.2% 3.4% 2.1% 2.2% 1.2% 1.7% 2.1%

Note *2002 data recalculated- includes extra data from one site that was not included in the released ANDIAB 2002 Report **2009 Adult Data Only
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Complications / Events prior to the past 12 months1998

n = 4535

1999

n = 7110

2000

n = 5680

2002 *

n = 3154

2004

n = 3108

2006

n = 1624

2009

n = 8563

2009 **

n = 6029

2011

n = 4629

Myocardial InfarctNot Collected7.0% 6.6% 7.5% 7.3% 11.1% 5.5% 7.9% 8.8%
CABG/ Angioplasty/ StentNot Collected5.7% 5.2% 7.4% 8.7% 10.8% 5.4% 7.7% 9.5%
Cerebral Stoke Not Collected3.7% 3.8% 3.7% 4.5% 4.9% 2.8% 4.0% 4.2%
End Stage Renal Disease [ESRD] Not Collected0.7% 0.8% 1.0% 0.8% 1.5% 0.9% 1.2% 2.4%
Lower Limb Amputation Not Collected1.3% 1.5% 1.2% 0.9% 1.0% 0.9% 1.3% 2.1%
New Blindness Not Collected1.8% 1.6% 1.3% 0.8% 1.2% 0.6% 0.8% 1.0%
Erectile Dysfunction [%males]Not Collected23.8% 23.8% 24.2% 21.8% 26.7% 9.5% 13.4% 22.6%

Note *2002 data recalculated- includes extra data from one site that was not included in the released ANDIAB 2002 Report **2009 Adult Data Only


ANY Complications / Events [during
OR prior to the past 12 months]
1998

n = 4535

1999

n = 7110

2000

n = 5680

2002 *

n = 3154

2004

n = 3108

2006

n = 1624

2009

n = 8563

2009 **

n = 6029

2011

n = 4629

Myocardial InfarctNot Collected8.8% 8.2% 10.1% 9.0% 12.8% 7.3% 10.4% 12.0%
CABG/ Angioplasty/ StentNot Collected7.7% 7.2% 9.9% 10.8% 12.6% 6.9% 9.8% 11.6%
Cerebral Stoke Not Collected5.2% 4.9% 5.2% 5.1% 5.5% 3.6% 5.0% 5.6%
End Stage Renal Disease [ESRD] Not Collected1.0% 0.9% 1.4% 1.1% 2.0% 1.2% 1.7% 2.9%
Lower Limb Amputation Not Collected1.8% 2.0% 1.7% 1.3% 1.7% 1.3% 1.8% 2.6%
New Blindness Not Collected2.1% 1.9% 1.6% 1.1% 1.4% 0.6% 0.9% 1.3%
Erectile Dysfunction [%males]Not Collected28.3% 28.1% 30.2% 26.2% 30.4% 13.2% 18.6% 25.2%

Note *2002 data recalculated- includes extra data from one site that was not included in the released ANDIAB 2002 Report **2009 Adult Data Only
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Blood Glucose Control1998

n = 4535

1999

n = 7110

2000

n = 5680

2002 *

n = 3154

2004

n = 3108

2006

n = 1624

2009

n = 8563

2011

n = 4629

≤1% above ULN 34.1% 32.7% 31.4% 35.8% 38.0% 34.3% 25.6% 30.2%
1-2% above ULN 24.9% 25.8% 22.9% 26.3% 26.6% 30.4% 27.8% 27.2%
>2% above ULN 41.0% 41.5% 45.7% 37.8% 35.5% 35.3% 46.6% 42.6%
Mean HbA1c Type 1 8.4 1.7 8.3 1.6 8.6 1.8 8.5 1.8 8.3 1.8 8.1 1.6 8.4 1.5 8.5 1.8
Mean HbA1c Type 2 7.9 1.8 8.0 1.7 8.1 1.8 7.8 1.6 7.6 1.6 7.8 1.6 7.9 1.7 8.0 1.7
Mean HbA1c Type 2 Diet Only 6.6 1.4 6.9 1.4 6.8 1.3 6.4 1.2 6.4 1.3 6.3 0.8 6.7 1.1 6.6 1.2
Mean HbA1c Type 2 Tablets 7.9 1.7 7.9 1.7 8.1 1.8 7.7 1.6 7.5 1.5 7.4 1.3 7.6 1.5 7.5 1.5
Mean HbA1c Type 2 Insulin 8.3 1.7 8.4 1.8 8.4 1.7 8.2 1.7 7.9 1.8 8.2 1.9 8.0 1.6 8.2 1.8
Mean HbA1c Type 2 Ins&Tabs 8.7 1.7 8.6 1.6 8.8 1.7 8.2 1.4 8.2 1.6 8.4 1.6 8.4 1.7 8.5 1.6


BMI & Age & Duration Esp for Type 2 By DM Type1998

n = 4535

1999

n = 7110

2000

n = 5680

2002 *

n = 3154

2004

n = 3108

2006

n = 1624

2009

n = 8563

2011

n = 4629

Mean BMI Type 1 24.0 4.8 23.8 4.9 23.9 5.3 24.0 5.3 26.4 5.4 26.2 4.5 23.3 5.4 26.6 6.2
Mean BMI Type 2 30.0 5.9 30.5 6.1 30.7 6.2 31.5 6.5 31.5 6.9 31.3 6.5 32.5 7.2 32.8 7.4
Mean BMI Type 2 Diet Only 29.3 5.9 30.4 6.2 30.2 6.1 30.6 6.5 29.7 6.2 29.9 6.5 31.5 7.7 30.8 7.8
Mean BMI Type 2 Tablets 29.8 5.9 30.3 6.1 30.6 6.2 31.2 6.6 30.9 6.5 30.2 6.1 31.6 6.8 32.3 7.5
Mean BMI Type 2 Insulin29.5 5.6 29.8 5.9 29.7 6.0 30.6 5.9 30.8 6.8 31.0 7.0 32.1 7.1 32.5 7.4
Mean BMI Type 2 Ins&Tabs 32.3 5.9 32.5 6.2 32.3 6.3 33.4 6.4 33.5 7.1 33.4 6.3 33.8 7.2 33.6 7.0
Mean Age Type 1 33.2 20.4 31.8 19.9 32.1 19.8 29.1 19.6 40.2 17.5 43.9 15.8 21.8 15.7 39.3 17.0
Mean Age Type 2 62.3 12.2 62.3 12.1 62.2 12.2 62.3 12.8 63.2 12.3 63.2 13.0 62.7 13.3 63.5 12.4
Mean Age Type 2 Diet Only 59.9 14.4 60.3 13.0 61.4 12.4 59.4 15.3 63.6 12.7 60.8 16.1 61.4 13.7 63.2 13.9
Mean Age Type 2 Tablets 62.6 11.6 62.0 12.2 61.6 12.3 62.1 12.8 63.3 12.4 63.4 13.0 62.0 13.3 62.5 12.6
Mean Age Type 2 Insulin 63.7 12.3 64.2 12.0 64.2 12.6 64.3 13.8 64.2 13.6 65.0 14.3 64.5 15.2 66.4 13.4
Mean Age Type 2 Ins&Tabs 61.8 10.3 62.6 10.4 62.3 10.4 62.1 10.5 62.6 11.1 62.9 11.3 63.0 11.6 63.1 11.0
Mean Duration Type 1 12.0 11.8 12.1 12.1 12.2 12.4 10.7 11.8 15.9 12.4 17.3 12.2 9.5 10.0 17.8 13.4
Mean Duration Type 2 8.7 8.2 8.7 8.6 8.7 8.4 9.7 8.4 9.7 8.2 11.2 8.4 12.3 9.1 13.1 9.1
Mean Duration Type 2 Diet Only 2.5 4.2 2.1 4.5 2.0 4.2 2.2 3.8 2.5 3.7 4.2 5.3 4.3 4.8 4.6 5.4
Mean Duration Type 2 Tablets 7.2 6.6 7.1 7.0 7.3 7.0 7.7 6.8 7.6 6.9 8.9 7.1 9.3 7.4 10.0 7.6
Mean Duration Type 2 Insulin 14.7 9.4 14.5 9.8 14.4 9.2 14.5 9.6 14.1 9.8 15.6 10.2 17.0 10.4 17.5 10.2
Mean Duration Type 2 Ins&Tabs 12.7 8.0 12.9 7.8 13.2 8.1 13.8 8.0 12.8 7.8 14.4 7.7 15.3 8.5 15.6 8.5


*Note 2002 data recalculated- includes extra data from one site that was not included in the released ANDIAB 2002 Report
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Questionnaire Results

[# Not Done in 2002, 2006]

Lickert Scale {1[Poor]-5[Good]} 3=Mid Point Mean SD
1998 1999 2000 2002 # 2004 2006 # 2009 2011
Teleconference Pre-Study Not Collected 3.7 0.1 Not Collected - Not Collected - Not Collected Not Collected
Information Package/Letters 3.6 1.1 4.2 0.8 3.5 1.2 - 4.1 0.8 - 4.1 0.7 3.9 + 1.0
Data Definitions Form 3.8 1.1 4.1 0.8 4.0 0.7 - 4.1 0.9 - 4.2 0.6 3.9 + 1.1
Format (layout of data items) 3.7 1.3 3.8 0.9 3.8 0.9 - 3.7 1.3 - 3.6 1.2 3.5 + 1.1
Ease of Form Completion 3.4 1.3 3.5 1.2 3.6 1.2 - 3.6 1.2 - 3.0 1.1 3.1 + 1.3
Time to Complete the Form 3.2 1.3 3.1 1.2 3.0 1.3 - 3.1 1.3 - 2.4 1.2 2.6 + 1.5
Final Data [ n=50 ] [ n=51 ] [ n=28 ] [ n=0 ] [ n=13 ] [ n=0] [ n=30 ] [ n=18 ]

# Not Undertaken