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Table 2 Characteristics of prevalent metropolitan Atlanta hemodialysis patients with index admissions from 2010 to 2014

From: Association of social worker-assessed psychosocial factors with 30-day hospital readmissions among hemodialysis patients

Characteristic N Overall Readmitted (n = 159) Not readmitted (n = 560) P*
Patient characteristics
Mean age (SD), years 719 56.1 (14.9) 55.2 (15.4) 56.3 (14.7) 0.4
Male sex, n (%) 719 378 (52.6) 78 (49.1) 300 (53.6) 0.3
Black race, n (%) 718 659 (91.8) 147 (92.5) 512 (91.6) > 0.9
Medical insurance at dialysis start, n (%) 692     0.5
 Medicare   122 (17.6) 34 (22.2) 88 (16.3)  
 Medicaid   165 (23.8) 36 (23.5) 129 (23.9)  
 Private   170 (24.6) 34 (22.2) 136 (25.2)  
 Other   63 (9.1) 14 (9.2) 49 (9.1)  
 None   172 (24.9) 35 (22.9) 137 (25.4)  
Comorbid conditions, n (%) 719     
 Congestive heart failure   244 (33.4) 64 (40.3) 180 (32.1) 0.06
 Hypertension   701 (97.5) 155 (97.5) 546 (97.5) > 0.9
 Diabetes   349 (48.5) 79 (49.7) 270 (48.2) 0.7
 Atherosclerotic cardiovascular disease   141 (19.6) 34 (21.4) 107 (19.1) 0.5
Cause of ESRD, n (%) 712     0.3
 Hypertension   308 (43.3) 49 (30.8) 144 (26.0)  
 Diabetes   193 (27.1) 69 (43.4) 239 (43.2)  
 Glomerulonephritis   73 (10.3) 18 (11.3) 55 (10.0)  
 Other   138 (19.4) 23 (14.5) 115 (20.8)  
Median duration of ESRD (IQR), years 719 2.1 (0.6–5.9) 1.5 (0.5–5.4) 2.2 (0.7–6.3) 0.1
Index admission characteristics
Median length of stay (IQR), days 719 4 (2–6) 4 (2–8) 3 (2–6) 0.007
Intensive care utilization, n (%) 719 156 (21.7) 42 (26.4) 114 (20.4) 0.1
  1. Characteristics are assessed at index admission unless otherwise noted. ESRD End-stage renal disease, IQR Interquartile range, SD Standard deviation
  2. *By chi-square, t, or rank-sum test, as appropriate