Observer 1 × Observer 2

ICC

CI 95%

p value

Postoperative of M1

resident doctor × improvement in knee surgery

0.92

0.88 - 0.94

<0.0001

resident doctor × surg. > 10 years

0.81

0.73 - 0.87

<0.0001

resident doctor × surg. < 10 years

0.90

0.84 - 0.93

<0.0001