Short Form 36 (Sf-36) Assessment Overview Assessment Interpretability

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Short Form 36 (SF-36)
Assessment Overview
Assessment Area
Summary
ICF Domain:
The Medical Outcomes Study Short Form 36 (SF-36) is a generic health
Quality of Life
status measure that was introduced in 1992, and has been translated
into various languages. The SF-36 assesses health-related quality of life
using 8 domains, regarding either physical or mental functioning, both of
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which can also be summarized into a composite score: the physical (PCS)
and mental (MCS) component summary. The SF-36 can be administered
Length:
36 items
by interviewer or self-administered.
Scoring:
• Raw score is transformed to 0-
100 scoring system (Algorithm
available in the manual, which
must be purchased)
• Score is norm-based; the mean
score for the general
population is 50 with a
standard deviation of 10
• Higher score indicates better
Availability
health status
• The SF-36 can also be scored
https://
using two norm-based
surveys/sf-36v2-health-survey.html (Registration required)
summary scores, a physical and
Languages: 50+ languages
a mental component score (PCS
& MCS).
Assessment Interpretability
Minimal Clinically Important
Statistical Error
Typical Values
Difference
Minimal Detectable Change:
Mean (SD) Scores:
Not established in SCI, but for a
Physical functioning=21.4
Physical functioning: 61.2(39.8)
sample of patients with
Role physical=14.7
Role physical: 62.7(44.4)
osteoarthritis:
Bodily pain=7.4
Bodily pain: 67.5(20.6)
Worsening:
General health=7.9
General health: 52.5(20.3)
Physical functioning = 5.3
Vitality=4.6
Vitality: 57.0(17.3)
Bodily pain = 7.2
Social functioning=5.9
Social functioning: 71.8(22.2)
PCS = 2.0
Role emotional=4.1
Role emotional: 71.8(40.9)
Improving:
Mental health=7.4
Mental health: 63.5(15.5)
Physical functioning = 3.3
Bodily pain = 7.8
(Lin 2007; N=187, 151 male, traumatic SCI;
(Lin 2007; N=187, 151 male, traumatic SCI;
PCS = 2.0
mixed injury types, mean time since injury =
mixed injury types, mean time since injury =
7.4 years)
7.4 years)
(Angst et al., 2001; N=122, 71% female, mean
Threshold Values:
age 65)
Not established in SCI. But in the
general population:
Mental health (MH) score of ≤ 52

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