Home-Time Is a Feasible and Valid Stroke Outcome Measure in National Datasets

Iain McDermid; Mark Barber; Martin Dennis; Peter Langhorne; Mary J. Macleod; Christine H. McAlpine; Terence J Quinn

doi:10.1161/STROKEAHA.118.023916

Home-Time Is a Feasible and Valid Stroke Outcome Measure in National Datasets

Iain McDermid, Mark Barber, Martin Dennis, Peter Langhorne, Mary J. Macleod, Christine H. McAlpine, Terence J Quinn (Corresponding Author)

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Abstract

Abstract
Background and Purpose—
Home-time (HT) is a stroke outcome measure based on time spent at home after stroke. We hypothesized that HT assessment would be feasible and valid using national data.

Methods—
We linked the Scottish Stroke Care Audit to routine healthcare data and calculated 90-day HT for all strokes, 2005 to 2017. We described prognostic validity (Spearman rank correlation) of HT to baseline factors.

Results—
We were able to calculate HT for 101 969 strokes (99.3% of total Scottish strokes). Mean HT was 46 days (95% CI, 45.8–46.2; range, 0–90). HT showed consistent correlation with our prespecified prognostic factors: age: ρ, −0.35 (95% CI, −0.35 to −0.36); National Institutes of Health Stroke Scale, −0.54 (95% CI, −0.52 to −0.55); and 6 simple variables (ordinal), −0.61 (95% CI, −0.61 to −0.62).

Conclusions—
HT can be derived at scale using routine clinical data and appears to be a valid proxy measure of functional recovery. Other national databases could use HT as a time and cost efficient measure of medium and longer-term outcomes.

Original language	English
Pages (from-to)	1282-1285
Number of pages	4
Journal	Stroke
Volume	50
Issue number	5
Early online date	21 Mar 2019
DOIs	https://doi.org/10.1161/STROKEAHA.118.023916
Publication status	Published - 1 May 2019

Keywords

length of stay
morbidity
quality improvement
stroke
survivors

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Accepted Manuscript
This is the Author's Accepted Manuscript of an article published in Stroke. The final published version can be found at: https://doi.org/10.1161/STROKEAHA.118.023916.
Accepted author manuscript, 318 KBLicence: Unspecified

Cite this

@article{1b1ea0f5f5f74348af722449ef9fabac,

title = "Home-Time Is a Feasible and Valid Stroke Outcome Measure in National Datasets",

abstract = "AbstractBackground and Purpose—Home-time (HT) is a stroke outcome measure based on time spent at home after stroke. We hypothesized that HT assessment would be feasible and valid using national data.Methods—We linked the Scottish Stroke Care Audit to routine healthcare data and calculated 90-day HT for all strokes, 2005 to 2017. We described prognostic validity (Spearman rank correlation) of HT to baseline factors.Results—We were able to calculate HT for 101 969 strokes (99.3% of total Scottish strokes). Mean HT was 46 days (95% CI, 45.8–46.2; range, 0–90). HT showed consistent correlation with our prespecified prognostic factors: age: ρ, −0.35 (95% CI, −0.35 to −0.36); National Institutes of Health Stroke Scale, −0.54 (95% CI, −0.52 to −0.55); and 6 simple variables (ordinal), −0.61 (95% CI, −0.61 to −0.62).Conclusions—HT can be derived at scale using routine clinical data and appears to be a valid proxy measure of functional recovery. Other national databases could use HT as a time and cost efficient measure of medium and longer-term outcomes.",

keywords = "length of stay, morbidity, quality improvement, stroke, survivors",

author = "Iain McDermid and Mark Barber and Martin Dennis and Peter Langhorne and Macleod, {Mary J.} and McAlpine, {Christine H.} and Quinn, {Terence J}",

year = "2019",

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doi = "10.1161/STROKEAHA.118.023916",

language = "English",

volume = "50",

pages = "1282--1285",

journal = "Stroke",

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publisher = "Lippincott Williams and Wilkins",

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TY - JOUR

T1 - Home-Time Is a Feasible and Valid Stroke Outcome Measure in National Datasets

AU - McDermid, Iain

AU - Barber, Mark

AU - Dennis, Martin

AU - Langhorne, Peter

AU - Macleod, Mary J.

AU - McAlpine, Christine H.

AU - Quinn, Terence J

PY - 2019/5/1

Y1 - 2019/5/1

N2 - AbstractBackground and Purpose—Home-time (HT) is a stroke outcome measure based on time spent at home after stroke. We hypothesized that HT assessment would be feasible and valid using national data.Methods—We linked the Scottish Stroke Care Audit to routine healthcare data and calculated 90-day HT for all strokes, 2005 to 2017. We described prognostic validity (Spearman rank correlation) of HT to baseline factors.Results—We were able to calculate HT for 101 969 strokes (99.3% of total Scottish strokes). Mean HT was 46 days (95% CI, 45.8–46.2; range, 0–90). HT showed consistent correlation with our prespecified prognostic factors: age: ρ, −0.35 (95% CI, −0.35 to −0.36); National Institutes of Health Stroke Scale, −0.54 (95% CI, −0.52 to −0.55); and 6 simple variables (ordinal), −0.61 (95% CI, −0.61 to −0.62).Conclusions—HT can be derived at scale using routine clinical data and appears to be a valid proxy measure of functional recovery. Other national databases could use HT as a time and cost efficient measure of medium and longer-term outcomes.

AB - AbstractBackground and Purpose—Home-time (HT) is a stroke outcome measure based on time spent at home after stroke. We hypothesized that HT assessment would be feasible and valid using national data.Methods—We linked the Scottish Stroke Care Audit to routine healthcare data and calculated 90-day HT for all strokes, 2005 to 2017. We described prognostic validity (Spearman rank correlation) of HT to baseline factors.Results—We were able to calculate HT for 101 969 strokes (99.3% of total Scottish strokes). Mean HT was 46 days (95% CI, 45.8–46.2; range, 0–90). HT showed consistent correlation with our prespecified prognostic factors: age: ρ, −0.35 (95% CI, −0.35 to −0.36); National Institutes of Health Stroke Scale, −0.54 (95% CI, −0.52 to −0.55); and 6 simple variables (ordinal), −0.61 (95% CI, −0.61 to −0.62).Conclusions—HT can be derived at scale using routine clinical data and appears to be a valid proxy measure of functional recovery. Other national databases could use HT as a time and cost efficient measure of medium and longer-term outcomes.

KW - length of stay

KW - morbidity

KW - quality improvement

KW - stroke

KW - survivors

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U2 - 10.1161/STROKEAHA.118.023916

DO - 10.1161/STROKEAHA.118.023916

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EP - 1285

JO - Stroke

JF - Stroke

SN - 0039-2499

IS - 5

ER -

Home-Time Is a Feasible and Valid Stroke Outcome Measure in National Datasets

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Mary MacLeod

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Home-Time Is a Feasible and Valid Stroke Outcome Measure in National Datasets

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Mary MacLeod

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