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Table 3 Detailed grading of the AMADEUS score of all included patients

From: Correlation between the AMADEUS score and preoperative clinical patient-reported outcome measurements (PROMs) in patients undergoing matrix-induced autologous chondrocyte implantation (MACI)

AMADEUS feature

Score

Frequency

Percent

Area measurement

Defect size

 No defect

40

0

0

 ≤ 1 cm2

35

8

16

 > 1 to ≤ 2 cm2

30

18

36

 > 2 to ≤ 4 cm2

20

21

42

 > 4 to

10

1

2

 ≤ 6 cm2

0

2

4

Defect depth

 (n) No defect

20

0

0

 (a) Signal alteration

15

2

4

 (b) Partial-thickness defect

10

20

40

 (c) Full-thickness defect

0

28

56

Underlying structures

Subchondral bone defect

 A. no defect

30

35

70

 B. bony defect/cyst ≤ 5-mm depth

20

6

12

 C. bony defect/cyst > 5-mm depth

0

9

18

Addendum—potential fourth digit

 No defect-associated BME

10

27

54

 E. defect-associated BME

0

23

46

AMADEUS total score

100

Mean 58.4 (± 20.4)

AMADEUS grade

(0 worst, 100 best)

  

 Grade I

> 75

9

18

 Grade II

> 50 and ≤ 75

25

50

 Grade III

> 25 and ≤ 50

11

22

 Grade IV

≤25

5

10

  1. BME bone marrow edema-like lesion, BMI body mass index, AMADEUS Area Measurement And DEpth Underlying Structures