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Table 1 Unmatched analysis—patient demographic characteristics of dialysis patients and the control patients

From: Total knee arthroplasty in dialysis patients: a national in-patient sample-based study of perioperative complications

 

Dialysis group (418)

Control group (557,953)

Significance

Age in years

65.4 (SD = 9.8)

66.7 (SD = 9.5)

0.006

Female

195 (46.7%)

343,225 (61.5%)

 < 0.001

Obesity

92 (22%)

172,569 (30.9%)

 < 0.001

Race

   

 Caucasian

184 (44%)

435,033 (77.9%)

 < 0.001

 African American

145 (34.7%)

44,694 (8%)

 < 0.001

 Hispanic

50 (11.9%)

33,544 (6%)

 < 0.001

 Asian

11 (2.6%)

8240 (1.6%)

 < 0.001

 Native American

1.9%

2523 (0.5%)

 < 0.001

 Other

11 (2.6%)

4835 (0.9%)

 < 0.001

  1. Bolded values indicate statistical significance
  2. Numbers between 1 and 10 were not reported as per healthcare cost and utilization project (HUCP) data agreement
  3. SD, standard deviation
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Knee Surgery & Related Research

ISSN: 2234-2451