Preference, expectation, and satisfaction in a clinical trial of behavioral interventions for acute and sub-acute low back pain.
Preference, expectation, and satisfaction in a clinical trial of behavioral interventions for acute and sub-acute low back pain.
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DOI：
10.1016/j.jpain.2010.02.016
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发表时间：
2010-11
期刊：
影响因子：
--
通讯作者：
Robinson ME
中科院分区：
文献类型：
--
作者：
George SZ;Robinson ME
The equivalency of behavioral interventions has led to the consideration of whether patient related factors influence clinical trial outcomes. The primary purpose of this secondary analysis was to determine if treatment preference and patient expectation were predictors of trial outcomes and if selected patient satisfaction items were appropriate as outcome measures. Perceived effectiveness, treatment preference and patient expectation were assessed before random assignment, and patient satisfaction was assessed 6-months later. Patient preference was associated with perceived effectiveness for those with no treatment preference and those preferring graded exposure. Higher patient expectation was associated with higher perceived effectiveness ratings for all treatments in the clinical trial. Patients with no strong treatment preferences had larger 6-month improvements in pain intensity and disability, while patients with higher expectations had lower disability at baseline, 4-weeks, and 6-months. Patient satisfaction rates did not differ based on treatment received. Patient satisfaction was highest with treatment delivery, and much lower with treatment effect. Patient satisfaction was uniformly associated with expectations being met, but only satisfaction with treatment effect was associated with lower pain and disability scores. These data support assessment of treatment preference and patient expectation as predictors and patient satisfaction as an outcome measure in LBP clinical trials.
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