The Life-Space Assessment Measure of Functional Mobility Has Utility in Community-Based Physical Therapist Practice in the United Kingdom.
Angela McCrone, Angela Smith, Julie Hooper and 2 others
PMID 31577034WHAT IT FOUND
The 5-minute Life-Space Assessment reflected patients' home and outdoor mobility and changed over treatment.
Scores were higher in outpatient patients and improved most after recent hospital discharge.
Key findings
01At initial assessment, LSA scores differed between cohorts, with outpatient patients scoring higher than domiciliary nonhospitalized and domiciliary recent hospital discharge patients.
02LSA scores improved significantly over treatment in all cohorts, with the largest mean change in the recent hospital discharge cohort (17.0 points) and the smallest in the outpatient cohort (5.2 points).
03The LSA and POMA1 scores were positively but weakly related at assessment, and the LSA was less responsive than POMA1 in this sample.
STILL TO COME
How it was doneWhat they foundWhat it means for PTsWhat it means for OTs
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What it does not show
This was a prospective comparative cohort study, so it cannot show that a specific physical therapy treatment caused mobility gains. Treatment was usual care and individually tailored, including balance and gait work, outdoor mobilization, confidence building, core strengthening, lower limb joint mobilization, and muscle-strengthening, with session numbers set by goals. The study tested measurement properties only; it did not evaluate reliability, minimal detectable change, or minimal important clinical difference. LSA scoring as used here required an SPSS algorithm, which the authors say may limit routine clinical use. The LSA and POMA1 measurements were not taken at the same time; median lags were 7 days at assessment and 5 days at discharge, and these lags varied by cohort. Three researchers were masked to cohort where possible but not masked to measurement time point, and unmasking occurred in 19 of 276 assessments at T1 and 15 of 231 at T2. Caregivers answered LSA questions for 9 of 276 participants, and the authors note caregiver recall may affect accuracy. The general surgical group was very small, with 5 participants, so results for that group are limited. Environmental demands such as terrain and lighting were not measured, although they may differ between cohorts. Analysis used complete cases, assuming missing data were missing at random, and 48 of 276 participants had at least one missing LSA or POMA1 score.
Declared interests
Funded by Edinburgh and Lothians Health Foundation. The funder had no role in design, conduct, or reporting. R.A. Parker was supported by NHS Lothian via the Edinburgh Clinical Trials Unit, and support for the open access fee was provided by Edinburgh Clinical Trials Unit. Authors reported no conflicts of interest.
The easy way to misread this
Do not read the LSA score changes as evidence that any single treatment component caused improvement. The study observed usual care with balance and gait work, outdoor mobilization, confidence building, core strengthening, lower limb joint mobilization, and muscle-strengthening, and session numbers varied by goals.