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Table 1 Demographic characteristics of patients with head injury

From: Hemodialysis with end-stage renal disease did not raise the risk of intracranial hemorrhage after a head injury

Characteristic Cases (HD+ESRD) Controls (HD−ESRD) P
Number of patients 6938 13,876  
Age (years) 65.52 ± 12.96 65.52 ± 12.96 0.9978
 0–64 3004 (43.30) 6008 (43.30) >0.999
  ≥ 65 3934 (56.70) 7868 (56.70)  
Gender    
 Male 3040 (43.82) 6080 (43.82) > 0.999
 Female 3898 (56.18) 7796 (56.18)  
Comorbidities    
 DM 3009 (43.37) 2538 (18.29) < 0.0001
 HTN 4056 (58.46) 5051 (36.40) < 0.0001
 CHF 1035 (14.92) 485 (3.50) < 0.0001
 Stroke 1276 (18.39) 1743 (12.56) < 0.0001
 Cancer 516 (7.44) 540 (3.89) < 0.0001
 Liver disease 727 (10.48) 939 (6.77) < 0.0001
  1. Data are presented as n (%) or means ± standard deviation. ESRD end-stage renal disease, HD hemodialysis, DM diabetes mellitus, HTN hypertension, CHF congestive heart failure