OBSERVED
|
PREDICTED
|
Cuff tear arthropathy (CTA)
|
Osteoarthritis (OA)
|
Rotator cuff tears (RCT)
|
Impingement (IM)
|
Tendinitis calcarea (TC)
|
---|
Cuff tear arthropathy (CTA)
|
71.5% (n = 143)
|
7.5% (n = 15)
|
18.5% (n = 37)
|
2.0% (n = 4)
|
0.5% (n = 1)
|
Osteoarthritis (OA)
|
7.5% (n = 15)
|
82.0% (n = 164)
|
0.5% (n = 1)
|
2.0% (n = 4)
|
8.0% (n = 16)
|
Rotator cuff tears (RCT)
|
22.5% (n = 45)
|
2.5% (n = 5)
|
47.5% (n = 95)
|
24.0% (n = 48)
|
3.5% (n = 7)
|
Impingement (IM)
|
6.0% (n = 12)
|
2.0% (n = 4)
|
23.0% (n = 46)
|
58.0% (n = 116)
|
11.0% (n = 22)
|
Tendinitis calcarea (TC)
|
0.0% (n = 0)
|
7.5% (n = 15)
|
0.0% (n = 0)
|
13.0% (n = 26)
|
79.5% (n = 159)
|
Sensitivity
a
|
71.5%
|
82.0%
|
47.5%
|
58.0%
|
79.5%
|
Specificity
b
|
72.8%
|
76.1%
|
71.6%
|
71.8%
|
75.4%
|
-
aSensitivity correctly categorized (observed = predicted); bSpecificity correctly categorized (not observed = not predicted)