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Table 4 Association between different parameters and the number of visits to the orthopedic workshop

From: The association between body mass index and skin problems in persons with a lower limb amputation: an observational study

Determinants Total number of visits to orthopedic workshop in past year (Spearman’s rho) p
Body weight (kg) (N = 381) -0.022 0.663
BMI (kg/m2) (N = 380) -0.042 0.416
Age (y) (N = 381) -0.036 0.479
Walking distance outdoors (m/day)a (N = 375) -0.017 0.741
Use of walking aid (N = 379) Median (IQR)  
 Yes 6 (3;11) 0.043
 No 5 (3;8)  
Reason for amputation (N = 380)
 Trauma 4 (2;7) 0.005
 Diabetes and/or PAD 6 (3;11)  
 Other 6 (4;12)  
 Malignancy 7 (3;14)  
 Infection 5 (3;9)  
 Congenital 4 (1;5)  
  Number of visits to orthopedic workshop in past year, visits for fitting new prosthesis excluded (Spearman’s rho)  
Body weight (kg) (N = 378) -0.002 0.970
BMI (kg/m2) (N = 377) -0.008 0.884
Age (y) (N = 378) -0.059 0.254
Walking distance outdoors (m/day)a (N = 372) -0.030 0.566
Use of walking aid (N = 376) Median (IQR)  
 Yes 4 (2;8) 0.007
 No 4 (1;7)  
Reason for amputation (N = 377)
  Trauma 3 (2;6) 0.009
  Diabetes and/or PAD 4 (2;8)  
  Other 5 (3;9)  
  Malignancy 6 (2;12)  
  Infection 5 (2;9)  
 Congenital 2 (1;4)  
  1. aWalking distance outdoors: <100 m, 100–200 m, 500 1000 m, > 1000 m