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Table 2 Odd ratios of general complications per MFI group

From: A modified frailty index predicts complication, readmission, and 30-day mortality following the revision total hip arthroplasty

  

OR

95% CI L

95% CI U

Readmission

MFI-1

1.4

1.3

1.7

MFI-2

2.5

2.1

3.0

MFI-3

4.1

2.2

7.8

Reoperation ***

MFI-1

1.4

1.2

1.6

MFI-2

2.3

1.9

2.8

MFI-3

1.1

0.4

3.6

Complication

MFI-1

1.4

1.3

1.6

MFI-2

3.2

2.8

3.6

MFI-3

10.8

5.8

20.0

Adverse discharge

MFI-1

1.6

1.5

1.8

MFI-2

3.8

3.4

4.3

MFI-3

14.1

7.0

28.5

Delayed stay (>10 day)

MFI-1

1.9

1.6

2.2

MFI-2

5.1

4.2

6.1

MFI-3

11.6

6.7

20.2

Clavien dindo IV

MFI-1

1.6

1.1

2.2

MFI-2

5.0

3.6

7.3

MFI-3

8.0

3.0

21.1

Mortality

MFI-1

3.5

1.3

9.8

MFI-2

18.8

6.7

52.8

MFI-3

28.5

6.1

132.8

  1. n = 17,868, MFI Modified Frailty Index, OR odds ratio, CI confidence interval, L Lower bound of the confidence interval, U Upper bound of the confidence interval. Odds ratio for each MFI group for each complication. All complications presented are significant at P < 0.001. 95% CI (***unless otherwise indicated)