comparative study of stef (simple test for evaluating hand ... · validity test-retest reliability...
TRANSCRIPT
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Comparative study of STEF (Simple
Test for Evaluating Hand Function)
and 3 other hand evaluation tools in hand
injured cases
Kent, Jui-Kun Chang, Chuan-Man Chu, Jyh-Jong Chang*OT, Reh Dept, Kaohsiung Chang Gung Memorial Hospital, Taiwan
*Dept of OT, Kaohsiung Medical University, Taiwan
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Introduction
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9th Congress of APFSSH 5th APFSHT Congress
2012 Bali Indonesia
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Assessment of hand dexterity
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(Greenhalgh J, 1998)
→ to measure the functional improvements → to set up intervention plans and goals
Assessment of dexterity is important for patients with hand injury
(Jennifer Gallus, 2003)
Dexterity of hands is associated with the quality of using instruments in ADLs, work and leisure.
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Assessment of hand dexterity
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(Rudman & Hannah, 1998)
While selecting an assessment tool:
DexterityFine (motor) Dexterity
Manual Dexterity
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Assessment tools
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Fine Dexterity NHP、PPT
Manual Dexterity BBT、FDT、MRMT
Fine + Manual Dexterity
JTHTARATSTEF
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Assessment tools
• Nine Hole Peg Test (NHP)• Fine Dexterity• 1 subtest
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Assessment tools
• Perdue Pegboard Test (PPT)• Fine Dexterity• 4 subtests
• R hand• L hand• Both hand• Assembly
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Assessment tools
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Fine Dexterity NHP、PPT
Manual Dexterity BBT、FDT、MRMT
Fine + Manual Dexterity
JTHTARATSTEF
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Assessment tools
• Box and Block Test(BBT)• Manual Dexterity• a wooden box divided in two compartments by
a partition and 150 blocks.
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Assessment tools
• Functional Dexterity Test (FDT)• Manual Dexterity• 3-jaw chuck prehension between the fingers
and the thumb. • Test involves turning 16 pegs over as quickly as
possible in a sequential manner.
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Assessment tools
• Minnesota Rate of Manipulation Test (MRMT)• Manual Dexterity• 5 distinct subtests
• Placing• Turning• Displacing• one-hand turning and placing• two-hand turning and placing
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Assessment tools
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Fine Dexterity NHP、PPT
Manual Dexterity BBT、FDT、MRMT
Fine + Manual Dexterity
JTHTARATSTEF
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Assessment tools
• Jebsen-Taylor Hand Function Test(JTHT)• Fine Dexterity, Manual Dexterity• 7 subtests
• Writing• Card turning• Small objects• Simulated feeding• Checkers• Large, light objects• Large, heavy objects
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Assessment tools
• Action Research Arm Test(ARAT)• Fine Dexterity, Manual Dexterity• 4 subtests
• Grasp (6 items)• Grip (4 items)• Pinch (6 items)• Gross movement (3 items)
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Assessment tools
• Simple Test for Evaluating Hand Function (STEF)• Fine Dexterity, Manual Dexterity• STEF was designed and developed by Kaneko et al.
in 1974 in Japan to objectively evaluate the speed of motion of each upper arm and hand.
• 10 subtests: • three kinds of spheres (big, moderate, small)• two kinds of disks (moderate, small)• rectangular box• two kinds of cubes (moderate, small) • inserting sticks into holes • turning over cloths
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STEF – 10 objects for grasp or pinch
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STEF – transferring procedure
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Spearman’s ranking correlation coefficient r=.907
They used PPT and STEF to assess the non-affected hand of 27 elder stroke patients. The correlation between them is strong.
Maiko komine et al., 2012
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• The STEF score strongly correlated with the ARAT, FMA (Fugl-Meyer Assessment), MAL(Motor Activity Log) scores and moderately with the FIM (Functional Independence Measure) score.
• This study indicates that the STEF is reliable, valid and sensitive to changes when applied to patients with sub-acute stroke.
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Purpose of this study
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Concurrent validity
Discriminant validity
Test-Retest reliability
Jebsen Test of Hand Function(JHFT)
Purdue Pegboard Test(PPT)
Action Research Arm Test(ARAT)
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Methods
Participants
• Inclusive Criteria:• Hand injured patients• Aged 18-65• Getting injured within 10-30 weeks• Accept to receive 4 assessments and is willing to be
re-evaluated after 1 week
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Demographic characteristics of patients
33 participants in study
Age 18 y/o – 65 y/o mean 39.88±11.7
Gendermale 22
female 11
Injured handR 16
L 17
Injured area
finger 24
wrist (forearm) 6
elbow 2
shoulder (upper arm) 1
Major injury
fracture 19
tendon 8
amputee 5
nerve 123
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Method
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Jebsen Test of Hand Function(JHFT)
Purdue Pegboard Test(PPT)
Action Research Arm Test(ARAT)
Test-Retest reliability
Concurrent validity Discriminant validity
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Analysis
• Intra-class correlation coefficients(ICC) → to analyze test-retest reliability
• Pearson’s correlation coefficient→ to analyze concurrent validity
• Partial eta square (η2)→ to analyze discriminant validity
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Result
• Test-retest reliability
• Concurrent validity between assessment tools
• Correlation of classified types of distal hand functions between assessment tools
• Discriminant Validity between injured and non-injured hand
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Research results
1、Test-Retest reliability of STEF
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Subtest r ranged from .64 to .97
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Test-retest reliability
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large-sized ballmiddle-sized balllarge boxmiddle-sized boxeswooden discsmall boxesturning clothssmall metal discsmall metal ballPinsTotal score
(upper bounds) (lower )
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Research results
1、Test-Retest reliability of STEF
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Subtest r ranged from .64 to .97
Total score: r= .94
Strong test-retest reliability.
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Research results
2、Concurrent validity of STEF and JTHT, PPT , ARAT
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Concurrent validity between assessment tools
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Research results
2、Concurrent validity of STEF and JTHT, PPT , ARAT
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STEF has strong correlation with all three tests.
JTHT (r = -.65, p= .000)PPT (r = .823, p= .000)ARAT (r = .912, p = .000 )
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Research results
3、Concurrent validity of STEF and JTHT, PPT , ARAT
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Divided sub-tests into Grasp、Grip、Pinch、Turning
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Classified by type of hand performance
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BoxesSpheres
Small metal discsSmall balls Pins
Cloth turning
Card turningSmall objectsSimulated feedingCheckers
Large light objectsLarge heavy objects
Pins
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Research results
3、Concurrent validity of STEF and JTHT, PPT , ARAT
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Divided sub-tests into Grasp、Grip、Pinch、Turning
Reached moderate to strong correlation ( r =.57 to .82 )
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Correlation in 4 types of hand performance
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Pinch performancePPT>ARAT>JTHT
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Research results
4、Discriminant validity between STEF and JTHT, PPT , ARAT
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Cohen(1988) Partrial eta square
Small effect .01≤ η2 ≤.058Medium effect .058 ≤ η2 ≤.138Large effect .138 ≤ η2
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Discriminant Validity
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eta square
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Research results
4、Discriminant validity between STEF and JTHT, PPT , ARAT
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PPT (η2=.516,p﹤.001) > STEF (η2=.342,p﹤.001) > ARAT (η2=.317,p﹤.001) > JTHT (η2=.225,p=.001)
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Discussion
Clinical values of the results
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STROKE
Hand injured patient
→ Good validity and reliability
→ Provide a new way for communications between professions.
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Limitations and suggestions
• Limitations:• Not enough cases with different hand injuries• Lack of specific norm for Taiwanese
• In the future:• Establish a norm for Taiwanese • Increase the amounts of enrolled samples• Classify enrolled datas to more specific
components, such as injured severity/complexity
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Acknowledgement
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APFSHT presidentProf. Seiji Nishimura (Japan)
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