Abstract:
BACKGROUND:The assessment of symptoms distress is an important strategy for symptoms management and treatment of patients with liver cirrhosis (LC); however, appropriate instruments are limited. OBJECTIVE:The objective of this study was to validate a symptoms distress scale (SDS) by confirming the appropriateness of each item using item response theory. METHODS:A cross-sectional and convenience sampling was conducted to recruit eligible cirrhotic outpatients from the gastroenterology outpatient department of a single medical university hospital. In total, 163 patients with LC completed the 21-item SDS. A graded response model with two-parameter (discrimination and difficulty) estimation was used for data analysis. RESULTS:The item response theory model identified the validity of the SDS and found that most of the items in the SDS represented a high level of symptoms distress; moreover, three items of bruising, drowsiness, and dark urine were reported in cirrhotic patients with severe symptom distress. Four items comprising bodily pain, right upper quadrant pain, muscle cramps, and change in appearance can be appropriately represented in cirrhotic patients with mild symptoms distress. Moreover, the amount of test information in the SDS was >0.70, indicating acceptable reliability. DISCUSSION:Items of the SDS can be useful for assessing different levels of symptoms distress; however, using the scale to assess mild symptoms distress in populations with LC should be done with great caution.
journal_name
Nurs Resjournal_title
Nursing researchauthors
Huang HC,Chen MY,Hsieh LW,Chiu HY,Miao NF,Wu CS,Lin KCdoi
10.1097/NNR.0000000000000296subject
Has Abstractpub_date
2018-09-01 00:00:00pages
359-368issue
5eissn
0029-6562issn
1538-9847pii
00006199-201809000-00003journal_volume
67pub_type
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