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Table 1 Characteristics of the study population

From: Stability of SF-36 profiles between 2007 and 2016: A study of 27,302 patients surgically treated for lumbar spine diseases

  LSS with DS LSS without DS LDH
n 4827 13,543 8932
Age, mean (SD) 67.3 (9.27) 67.6 (10.1) 45.3 (13.3)
BMI, mean (SD) 27.1 (4.33) 27.7 (4.14) 26.2 (4.14)
Women, n (%) 3444 (71.3) 6319 (46.7) 4109 (46)