TY - JOUR PY - 2012// TI - Causes of death in patients with multiple sclerosis and matched referent subjects: a population-based cohort study JO - European journal of neurology A1 - Lalmohamed, A. A1 - Bazelier, M. T. A1 - Van Staa, T. P. A1 - Uitdehaag, B. M. J. A1 - Leufkens, H. G. M. A1 - de Boer, A. A1 - De Vries, F. SP - 1007 EP - 1014 VL - 19 IS - 7 N2 - Background and purpose: Multiple sclerosis (MS) has been associated with increased mortality rates. However, influence of lifestyle parameters remains unknown, and inconsistencies exist regarding findings for causes of death. Methods: We conducted a population-based cohort study using the General Practice Research Database, Hospital Episode Statistics, and national death certificates (January 2001 through March 2008). To each patient with MS (n = 1270), up to six referent subjects without MS were matched by age, gender, and practice. Cox proportional hazards models were used to estimate mortality rate ratios (HRs). Results: Patients with MS had a 3.5-fold increased mortality rate for all-cause mortality, compared with referent subjects (HR 3.51, 95% CI 2.63-4.69). The rate further increased amongst current smokers (HR 6.72, 95% CI 4.16-10.87) (but not in ex-smokers) and subjects with a body mass index of <20 kg/m(2) (HR 6.67, 95% CI 3.50-12.73). The HR was highest for infectious/respiratory-related deaths (HR 7.69, 95% CI 4.92-12.02) and was significantly increased for deaths related to cardiovascular diseases (2.4-fold) and cancer (1.9-fold), but not for accidents and suicide related deaths. Conclusion: British patients with MS have a 3.5-fold increased mortality rate compared with the general population. Smoking and respiratory diseases are major (potentially preventable) factors related to increased mortality rate amongst patients with MS.
Language: en
LA - en SN - 1351-5101 UR - http://dx.doi.org/10.1111/j.1468-1331.2012.03668.x ID - ref1 ER -