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Table 3 Agreement Between the Diagnostic Ultrasound-guided Anterior Inferior Iliac Spine Injection Method, Superior Capsular Oedema on MRI and Intraoperative Findings of Congestion or Bruising of the Labrum in Patients with Type II and Type III AIISs

From: A comparison between ultrasound-guided AIIS injection and radiography in the diagnosis of subspine impingement in patients with FAI

Response to injection

Positive(n = 36)

Negative(n = 27)

P value

κ Coefficient

Superior capsular edema on MRI (n = 18)

14

4

0.036

0.222

Without Superior capsular edema on MRI (n = 45)

22

23

Response to injection

Positive(n = 36)

Negative(n = 27)

P value

κ Coefficient

Congestion or bruise of the labrum (n = 27)

17

10

0.419

0.098

Without congestion or bruise of the labrum (n = 36)

19

17

Image findings

Superior capsular edema on MRI (n = 18)

Without Superior capsular edema on MRI (n = 45)

P value

κ Coefficient

Congestion or bruise of the labrum (n = 27)

6

21

0.334

−0.116

Without congestion or bruise of the labrum (n = 36)

12

24