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Integrated Health Information Architecture
- The DHIS 2 experience
- Information for decision making & management
Jørn Braa, University of Oslo
Presentation:
Based on Experience from implementing DHIS over 20 years
– in more than 30 countries in Africa, Asia, Latin America
Overview:
• Basic definitions: interoperability & integration
• 3 layers architecture model
• Architecture focusing on health management (HMN)
• Examples of integration and interoperability
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Problems:
• Fragmentation of Health Information Systems –
• Multiple ’Silos’ instead of integration
• Systems are overlapping and not ‘talking’ to each other
• No easy access to integrated information for management &
decision making at “one point” – at any level
‘Solutions’:
• Integrated data warehouse: Data for Decision making
– key indicators – at each level of management
• Integrated architecture:
• interoperability between systems, based on
• Shared standards
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Basic definitions:
Architecture: ‘System of systems’
Enterprise: In our case, the health system
Standards; needed for systems (and people) to interact
Interoperability: Systems (and people) interact and
exchange data
Integration: a process to make something that is
fragmented to appear as a whole
Information for decision making & management:
Essential (Minimum) Indicators – for each level
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Types of Interoperability
Political (Organisational dimension)
• Goals, overall conditions and views aligned
Juridical
• Legal compliance on processes, actions, agreements, data
exchange, data security, privacy (patient data)
Organizational
• Goals, budgets, knowledge and processes aligned
Semantic
• The meaning of the data understood – & in the same way
Technical (syntactic – as related to ‘semantic’)
• Communication protocols, security and exchange formats
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Level 1: Information
Needs, Users, Usage
Across Organisations
“Business level”
Level 2: Software applications
& Information
Systems
“Application level”
Level 3: “Data
exchange level”
“Technical level”
Interoperability &
standards, technical
infrastructure
Open
MRS
DHIS Patient
records
iHRIS
Data warehouse
Aggregate data
Institutional use of information
Applications supporting use of information
Data Standards and infrastructure supporting the applications
Enterprise architecture: 3 Levels (each serving the level above)
Data & indicator dictionary /standards Facility register Provider register
SDMX-HD
OpenHIE Health Information Exchange
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Level of health
system
Global/Region
Countries/
Health Programs
Facility
Patient
District
Quantity of data
Data granularity Information needs
Summary indicators
General, e.g. MDG
Indicators district
management
Indicators
National /program
Facility
management
Patient records,
tracking & care
More data
Less data
Different levels of the health system – different needs for information
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Hierarchy of data standards:
• Balancing national need for standards with local need for
flexibility to include additional indicators
• All levels have freedom to define their own standards as long as
they adhere to the standards of the level above (core data set)
Patient – individual client Level
Health Facility Level
Sub-National Level
National Level
Regional Level
Standard
Indicators,
& datasets:
Patient
Facility
Sub National
National
Regional -
ECOWAS
Hierarchy of Indicator
& Data Standards
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HMN architecture - National data warehouse: Enterprise architecture for management
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Data
warehouse
DHIS 2
LMIS
HR EMR
Measles under 1 year coverage by district 2006(Measles doses given to children < 1 year / total population < 1 year)
74.7
81.3 79.0 80.7
89.594.4
80.0 79.9
93.6 93.8
0.0
10.0
20.0
30.0
40.0
50.0
60.0
70.0
80.0
90.0
100.0
Chake
Chake
District
Michew eni
District
Mkoani
District
Wete
District
Central
District
North A
District
North B
District
South
District
Urban
District
West
District
Pemba Zone Unguja Zone
District
An
nu
al m
ea
sle
s c
ov
era
ge
%
Data from
Mobile devises
-Data mart
-Meta data
-Visualising
tools
Dashboard
Graphs
Maps
Getting data in - Data warehousing Getting data out - Decision support
systems – ‘Business intelligence (BI)
Web Portal
Mobile
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Dashboards: Live update of key data and indicators
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Data
Warehouse
Paper based systems: OPD, EPI, RCH, other programs
Users of primary data & data providers
Electronic Medical Records
HR Management
Logistics & drugs
Mobile reporting
Finance Users of primary data & data providers
Users of processed & integrated data
Integration of technologies, systems, data & health programs
Integrated Health Information Architecture (“Horizontal integration”) - integrating sub-systems, technologies, health services & programs
Performance Based financing reporting
SDMX -HD
Paper reports
Aggregate & indicator data
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SDMX-HD: Statistical Data & Metadata Exchange for the Health Domain
DHIS : Data
warehouse
Statistical
data
OpenMRS :
Medical records
iHRIS: Human
Resource records
SDMX-HD:
Data transfer
from OpenMRS
To DHIS, e.g.:
#deliveries
@health centre X
for month of May
SDMX-HD:
Data transfer
from iHRIS to
DHIS, e.g.:
#midwifes
@health centre X
for month of May DHIS is calculating
the indicator:
Deliveries per midwife
Per facility per month
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DHIS2
Online
Data capture Measles under 1 year coverage by district 2006(Measles doses given to children < 1 year / total population < 1 year)
74.7
81.3 79.0 80.7
89.594.4
80.0 79.9
93.6 93.8
0.0
10.0
20.0
30.0
40.0
50.0
60.0
70.0
80.0
90.0
100.0
Chake
Chake
District
Michew eni
District
Mkoani
District
Wete
District
Central
District
North A
District
North B
District
South
District
Urban
District
West
District
Pemba Zone Unguja Zone
District
An
nu
al m
ea
sle
s c
ov
era
ge
%
Online data use; web pivot
reports, charts, maps
Datamart - pivot tables Archive -reports, - Charts, maps
Browser
Offline Data Capture
Offline data use application
Online / / Offline
BCG: 12
PENTA1:10
PENTA2: 7
PENTA3:11
Mobile Data Use
Mobile Data Capture
Improved Internet and mobile network: Rapid scaling
Implementation Using central server & “cloud” infrastructure
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Extending the reach through mobiles
• User friendly & ’close’ data entry individual level/aggregate data
• Tracking clients in programs
– sending reminders, e.g. for ANC visits & vaccination
• Feedback – simple reports, text & calls
• Communication – ‘social media’ for both health staff and community (support, chat,
• Integration with DHIS data warehouse & backbone infrastructure
• Support wide range of technologies
Java SMS Android PC/laptop/tablet Browser
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Output tailored to the range of devices and infrastructures
Lightweight Browser
SMS
Android app or browser Tablet
PC/laptop
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Improved Internet & mobile network – ‘cloud’ infrastructure
Rapid scaling – from ‘hundreds’ of installations to 1