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Table 3 Odd ratios of system-based 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

Renal

MFI-1

4.5

1.8

11.2

MFI-2

13.8

5.3

36.2

MFI-3

49.0

11.2

215.3

Wound

MFI-1

1.6

1.4

1.7

MFI-2

3.3

2.8

3.8

MFI-3

8.1

4.8

13.7

Hematological

MFI-1

1.3

1.2

1.5

MFI-2

2.4

2.1

2.8

MFI-3

5.2

3.1

8.7

Pulmonary

MFI-1

5.6

2.6

12.2

MFI-2

32.2

14.9

70.0

MFI-3

119.3

44.0

323.8

  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