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Table 3 Post-primary TKA outcomes

From: Are there avoidable causes of early revision total knee arthroplasty?

Characteristic

Potentially avoidable (n = 55)

Unavoidable (n = 112)

p-Value

Hospital length of stay (mean days ± SD)b

2.62 ± 1.35

3.01 ± 1.56

0.114

Discharge disposition, n (%)a

 Home

47 (85.5)

91 (81.3)

0.749

 Skilled nursing facility

5 (9.1)

15 (13.4)

 Acute rehabilitation facility

3 (5.5)

5 (4.5)

 Short-term general hospital

0 (0.00)

1 (0.9)

90-Day readmissions, n (%)a

7 (12.7)

55 (49.1)

< 0.001**

Non-revision surgery between primary and revision, n (%)a

6 (10.9)

23 (20.5)

0.135

  1. TKA total knee arthroplasty, SD standard deviation
  2. aChi-square/Fisher’s exact test
  3. bStudent’s t-test
  4. *p < 0.05; **p < 0.01