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Table 2 Intraoperative measurements of patella showing cartilage loss according to the ICRS grading system

From: Does the degree of intraoperatively identified cartilage loss affect the outcomes of primary total knee arthroplasty without patella resurfacing? A prospective comparative cohort study

ICRS grade

Overall cohort (n = 212)

Group 1 (n = 110)a

Group 2 (n =  102)a

0

31 (14.6)

110 (51.9)

1

33 (15.6)

2

46 (21.7)

3

61 (28.8)

102 (48.1)

4

41 (19.3)

Total, n

212 (100)

  
  1. Data are presented as a number with the percentage in parentheses
  2. aGroup 1, ICRS grade 0–2. Group 2, ICRS grade 3–4