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Table 1 Demographical and clinical data

From: Disability and health-related quality of life in patients undergoing spinal fusion: a comparison with a general population sample

Variables Female p-value Male p-value
  Patients Population Patients Population
  n = 174 n = 458 n = 78 n = 224
Body mass index, mean (SD) 28.1 (4.5) 26.9 (4.7) 0.0046 28.0 (3.8) 26.8 (3.8) 0.021
Co-morbidities, n (%)       
Cardiological 100 (59) 197 (43) <0.001 37 (48) 81 (36) 0.065
Respiratory 24 (14) 51 (11) 0.29 4 (5) 15 (7) 0.64
Neurological 7 (4) 26 (6) 0.45 2 (3) 10 (4) 0.47
Rheumatoid 21 (12) 29 (6) 0.012 2 (3) 3 (1) 0.46
Diabetes 15 (9) 60 (13) 0.15 14 (18) 27 (12) 0.18
Psychiatric 7 (4) 18 (4) 0.90 2 (3) 7 (3) 0.82
Musculosceletal 10 (6) 48 (10) 0.080 1 (1) 7 (3) 0.39
Education, years, mean (SD) 11.3 (3.5) 11.6 (4.2) 0.33 11.5 (3.4) 11.7 (3.7) 0.78
Tobacco use, n (%) 17 (10) 46 (10) 0.99 13 (17) 42 (19) 0.72
Employment situation, n (%)    0.71    0.38
Employed 50 (29) 140 (31)   37 (47) 98 (44)  
Unemployd 4 (2) 15 (3)   2 (3) 15 (7)  
Retired 120 (69) 303 (66)   39 (50) 111 (49)  
Leisure time physical activity hours per week, mean (SD) 3.3 (3.7) 4.4 (3.9) 0.0019 4.7 (4.2) 4.6 (6.2) 0.95