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Table 1 Baseline characteristics of the study population by procedure groups

From: Surgical revascularization versus amputation for peripheral vascular disease in dialysis patients: a cohort study

  Amputated Revascularized
N = 3942 N = 2046 N= 1896
Demographics   
   Age in years, mean ± SD 69.4 ± 9.7 71.5 ± 8.1
   Male Gender, n (%) 1148 (56) 1097 (58)
   Race, n (%)   
Caucasians 1333 (65) 1464 (77)
African Americans 630 (31) 370(20)
Other 83 (4) 62 (3)
ESRD   
   Diabetes as cause of ESRD, n (%) 1518 (74) 1011 (53)
   Dialysis Modality, n (%)   
HD 1875 (92) 1777 (94)
PD 171 (8) 119 (6)
Comorbidity   
   Coronary disease, n (%) 1077 (53) 893 (47)
   Congestive heart failure, n (%) 1076 (53) 934 (49)
   Cerebrovascular disease, n (%) 380 (19) 289 (15)
   Smoker, n (%) 94 (5) 138 (7)
   Cancer, n (%) 74 (4) 91 (5)
Clinical Indications   
   Intermittent claudication 6 (0.3) 91 (4.8)
   Resting pain 13 (0.6) 97 (5.1)
   Ulcer 31 (1.5) 225 (11.9)
   Gangrene 1850 (90.4) 755 (39.8)
   Other/unknown 146 (7.1) 728 (38.4)
Nutrition   
   BMI, mean ± SD 25.3 ± 5.6 24.7 ± 5.2
   Serum Albumin, mean ± SD 3.0 ± 0.6 3.2 ± 0.6
Functional Status   
   Require assistance to transfer, n (%) 139 (7) 30 (2)
   Require assistance to ambulate, n (%) 342 (17) 113 (6)
Other   
   Hematocrit, mean ± SD 27.8 ± 7.0 28.5 (6.8)