Severity of Illness

Minor

Moderate

Major

Extreme

Total

APR DRG 301 - Hip Joint Replacement

2018-2019

653

734

72

24

1483

2019-2020

595

732

69

31

1427

2020-2021

348

476

63

27

914

Difference 2018-2020

−305

−258

−9

3

−569

APR DRG 302 - Knee Joint Replacement

2018-2019

751

662

51

12

1476

2019-2020

696

488

42

8

1234

2020-2021

271

251

38

8

568

Difference 2018-2020

−480

−411

−13

−4

−908