期刊
JOURNAL OF THE AMERICAN BOARD OF FAMILY MEDICINE
卷 22, 期 3, 页码 291-298出版社
AMER BOARD FAMILY MEDICINE
DOI: 10.3122/jabfm.2009.03.080162
关键词
-
资金
- Veterans Administration Health Services Research and Development IIR [03-150]
Background: Although many health care organizations require routine pain screening (eg, 5th vital sign) with the 0 to 10 numeric rating scale (NRS), its accuracy has been questioned; here we evaluated its accuracy and potential causes for error. Methods: We randomly surveyed veterans and reviewed their charts after outpatient encounters at 2 hospitals and 6 affiliated community sites. Using correlation and receiver operating characteristic analysis, we compared the routinely measured 5th vital sign (nurse-recorded NRS) with a research-administered NRS (research-recorded NRS) and the Brief Pain Inventory (BPI). Results: During 528 encounters, nurse-recorded NRS and research-recorded NRS correlated moderately (r = 0.627), as did nurse-recorded NRS and BPI severity scales (r = 0.613 for pain during the last 24 hours and r = 0.588 for pain during the past week). Correlation with BPI interference was lower (r = 0.409). However, the research-recorded NRS correlated substantially with the BPI severity during the past 24 hours (r = 0.870) and BPI severity during the last week (r = 0.840). Receiver operating characteristic analysis showed similar results. Of the 98% of cases where a numeric score was recorded, 51% of patients reported their pain was rated qualitatively, rather than with a 0 to 10 scale, a practice associated with pain underestimation (chi(2) = 64.04, P < .001). Conclusion: Though moderately accurate, the outpatient 5th vital sign is less accurate than under ideal circumstances. Personalizing assessment is a common clinical practice but may affect the performance of research tools such as the NRS adopted for routine use. (J Am Board Fam Med 2009;22:291-8.)
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