Table 9 Elixhauser and Charlson comorbidity adjustment scores for UKA and TKA

0

729

504

8,358

25,981

1

1,749

1,861

5,177

24,946

2

2,418

3,580

3,071

19,094

3

2,493

5,510

1,698

14,143

4

2,287

6,914

893

8,922

5

2,017

8,016

516

5,860

6

1,673

8,509

301

3,663

7

1,452

8,747

190

2,381

8

1,222

8,624

138

1,723

9

935

8,415

87

1,267

10

842

7,992

69

904

11

636

7,470

42

611

12

533

6,589

22

353

13

422

5,946

12

268

14

348

5,172

-

169

15

262

4,259

-

126

16

185

3,440

-

56

17

139

2,904

-

37

18

100

2,197

-

27

19

74

1,565

-

12

20

26

1,007

-

-

21

24

643

-

-

22

15

356

-

-

23

-

199

-

-

24

-

84

-

-

25

-

37

-

-

26

-

16

-

-

Average

5.73

9.30

1.43

2.39

Median

5.00

9.00

1.00

2.00

St. dev

4.11

4.71

1.91

2.54

p

 < 0.0001

 < 0.0001