Table 3 Elixhauser and Charlson comorbidity adjustment scores for UKA and TKA

0

101

968

2,753

44,544

1

303

3,636

1,760

34,437

2

578

7,145

1,200

23,837

3

733

10,288

799

17,062

4

762

12,711

470

10,540

5

800

13,670

285

7,207

6

732

13,719

205

4,723

7

686

13,492

106

2,930

8

577

12,395

106

2,052

9

501

11,257

47

1,271

10

450

10,012

34

792

11

389

8,832

17

489

12

294

7,509

11

291

13

252

6,411

-

184

14

190

5,198

-

125

15

153

4,135

-

88

16

99

3,019

-

52

17

90

2,236

-

24

18

51

1,581

-

-

19

23

1,084

-

-

20

22

651

-

-

21

11

385

-

-

22

-

191

-

-

23

-

106

-

-

24

-

35

-

-

25

-

11

-

-

Average

7.04

8.06

1.79

2.07

Median

6.00

7.00

1.00

1.00

St. dev

4.18

4.35

2.17

2.33

p

 < 0.0001

 < 0.0001