data for learning and improvement david m. williams, ph.d. institute for healthcare improvement
TRANSCRIPT
Data for Learning and ImprovementDavid M. Williams, Ph.D.
Institute for Healthcare Improvement
Murder rate down compared to this
time last year.
Celebration
Despair
Three Considerations
• Data Definition• Date Collection• Data Display
Data Definition
% child receiving assessments
Wait times
% of mom’s receiving pre-natal vitamins
% children in one clinic receiving assessment
# of books read% of meals with veg
Number of double smiles
PDSAs per week% parents rating 7 or greater for confidence
% of Mom’s screened for unhealthy habits
# of huddles per week
% Team members rate promise level
Data Definition
How will you know a change is an improvement?
Count =
Percentage = Rate =
Count
CountTotal 100
CountTotal Pop
100,000 population
Data Collection
Safety Cross
Case Study
Data Display
Elements of a Run Chart
Se-ries1
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LO
S (m
inut
es)
2/16/11 3/16 4/13 5/11 6/8
Week
Mea
sure
Time
X (CL)~
The centerline (CL) on a Run Chart is the Median
IG p.435
Low Tech – Hand Written – Tester Owned
% antenatal bookers eligible for Healthy Start in Leith (self report)(n=410; source Maternity Trak)
Monthly data
release
Monthly data
release
Leith Pioneer site work
started 3 March
Universal enquiry re HSComplete form
at booking appt
Team meeting
Leith Survey Monkey
Team meeting
and survey results
Focus on Trak docu-mentation
“Shift” on run chart (6+ points above median)
Median
Annotated
Change Made Between Weeks 7 & 8
Before Change (Measure on Week 4) After Change (Meaure on Week 11)0
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Del
ay t
ime
(ho
urs
)
Case 1
1 2 3 4 5 6 7 8 9 10 11 12 13 140
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Weeks
Del
ay t
ime
(ho
urs
)
Ch
ang
e
Case 2
1 2 3 4 5 6 7 8 9 10 11 12 13 140
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Weeks
Del
ay t
ime
(ho
urs
)
Ch
ang
e
Case 3
1 2 3 4 5 6 7 8 9 10 11 12 13 140
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Weeks
Del
ay t
me
(ho
urs
)
Ch
ang
e
Case 4
1 2 3 4 5 6 7 8 9 10 11 12 13 140
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Weeks
Del
ay t
ime
(ho
urs
)
Ch
ang
e
Case 5
1 2 3 4 5 6 7 8 9 10 11 12 13 140
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Weeks
Del
ay t
ime
(ho
urs
)
Ch
ang
e
Case 6
1 2 3 4 5 6 7 8 9 10 11 12 13 140
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10
Weeks
Del
ay t
ime
(ho
urs
)
Ch
ang
e
Change Made Between Weeks 7 & 8
Before Change (Measure on Week 4) After Change (Meaure on Week 11)0
1
2
3
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9
8
3
Del
ay t
ime
(ho
urs
)
Radar or Spider Diagram
Radar or Spider Diagram
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Aggregate vs. Stratified
Chinese Restaurant Demand Collection
Monday Tuesday Wednesday Thursday Friday0
5
10
15
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25
30
Tables per Day
Lunch
Dinner
Monday Tuesday Wednesday Thursday Friday0
5
10
15
20
25
30
Tables per day - Lunch
Monday Tuesday Wednesday Thursday Friday0
5
10
15
20
25
30
Tables per day - Dinner
Breaking Down Data
Final 2 Slides
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# of Run Charts per Storyboard
CPP Storyboards
# o
f P
DS
A C
har
ts
Case Study – Improvers in action
https://www.youtube.com/watch?v=iWYIWE7SKcM