Prevalence of Insomnia in Patients with Chronic Back Pain

Purpose. To estimate the prevalence of insomnia in patients with chronic back pain, and to correlate insomnia with severity of back pain and disability. Methods. 63 women and 57 men aged 24 to 83 (mean, 55) years who presented with chronic back pain for >6 months were asked to complete a self-adm...

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Published inJournal of orthopaedic surgery (Hong Kong) Vol. 21; no. 1; pp. 68 - 70
Main Authors Purushothaman, Balaji, Singh, Anjani, Lingutla, Kiran, Bhatia, Chandra, Pollock, Raymond, Krishna, Manoj
Format Journal Article
LanguageEnglish
Published London, England SAGE Publications 01.04.2013
Sage Publications Ltd
SAGE Publishing
Subjects
Adult
Aged
Aged, 80 and over
Back pain
Back Pain - complications
Chronic Pain - complications
Female
Humans
Insomnia
Likert scale
Male
Mental disorders
Middle Aged
Prevalence
Quality of life
Severity of Illness Index
Sleep
Sleep Initiation and Maintenance Disorders - epidemiology
Sleep Initiation and Maintenance Disorders - etiology
Surveys and Questionnaires
Young Adult
back pain
sleep initiation and maintenance disorders
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Summary:Purpose. To estimate the prevalence of insomnia in patients with chronic back pain, and to correlate insomnia with severity of back pain and disability. Methods. 63 women and 57 men aged 24 to 83 (mean, 55) years who presented with chronic back pain for >6 months were asked to complete a self-administered questionnaire to evaluate the Insomnia Severity Index (ISI), Oswestry Disability Index (ODI), and Numerical Rating Scale (NRS) for back pain. Results. Of the 120 patients, 25 had no insomnia, 39 had sub-threshold insomnia, and 56 had clinically significant insomnia. According to the ODI, disability was minimal in 12 patients, moderate in 38, severe in 43, bed-binding in 26, and crippling in one. Of the 120 patients, 91 rated their NRS for back pain as 5 to 10 and 29 rated it as 1 to 4. Correlation was stronger between ISI and ODI than between ISI and NRS for back pain (r=0.59 vs. r=0.38). Conclusion. 47% of patients with chronic back pain had insomnia. The ODI was more reliable than the NRS for back pain to detect insomnia. Back pain should be treated early to avoid serious health problems associated with insomnia.
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ISSN:1022-5536
2309-4990
DOI:10.1177/230949901302100118