The Brief Perceived Cognitive Impairment Scale-Korean: A Validation Study.

Abstract:

BACKGROUND:Practical brief measures are needed for clinicians and researchers to identify and effectively manage cognitive impairment in cancer patients. OBJECTIVE:This study evaluated the reliability (ie, internal consistency reliability) and validity (ie, construct, convergent, concurrent, and known-group validity) of the Brief Perceived Cognitive Impairment Scale-Korean (BPCIS-K). METHODS:From a university hospital, 249 cancer patients participated. The BPCIS-K was constructed with 6 items evaluating key aspects of cognitive impairment in cancer patients. For internal consistency reliability, Cronbach's α and item-total correlations were evaluated. For construct validity, confirmatory factor analysis was performed. For convergent validity, Pearson correlations were tested with the Functional Assessment of Cancer Therapy-Cognitive Function. For concurrent validity, Pearson correlations were tested with the Functional Assessment of Chronic Illness Therapy-Fatigue. For known-group validity, t tests were performed. RESULTS:The BPCIS-K showed high internal consistency reliability (Cronbach's α = .92; item-total correlations ranged from 0.76 to 0.81). Factor analysis confirmed the scale is unidimensional. It is highly associated with another validated cognitive impairment measure (r = -0.91, P < .001) and moderately correlated with a fatigue measure (r = -0.52, P < .001). In known-group validity, female and patients undergoing treatment experienced more severe impairment than did male patients and patient awaiting treatment (P = .05, P = .08, respectively). CONCLUSION:The BPCIS-K is valid and reliable for assessing cancer patients' perceived cognitive impairment, particularly in concentration, memory, and executive functions. IMPLICATION FOR PRACTICE:This study introduces a practical brief measure to clinicians and researchers.

journal_name

Cancer Nurs

journal_title

Cancer nursing

authors

Kim HJ,Barsevick AM

doi

10.1097/NCC.0000000000000578

subject

Has Abstract

pub_date

2019-03-01 00:00:00

pages

148-155

issue

2

eissn

0162-220X

issn

1538-9804

journal_volume

42

pub_type

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