Browsing by Author "Chelen, Alfonso"

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    Factors associated with variability in length of sick leave because of acute low back pain in Chile
    (ELSEVIER SCIENCE INC, 2009) Diaz Ledezma, Claudio; Urrutia, Julio; Romeo, Jose; Chelen, Alfonso; Gonzalez Wilhelm, Leonardo; Lavarello, Cristian
    BACKGROUND CONTEXT: Acute low back pain (LBP) is a frequent cause of physician visits and sick leave. Patients with longer sick leave account for most costs associated with LBP. Most research on risk factors for prolonged sick leave because of LBP has been done in Anglo-Saxon or Northern European populations with occupational LBP. Few studies have been conducted in less affluent Latin countries.