Table 3 Area under receiver operating curve of three different radiological acromion morphology measurements between diagnosis-related groups

AUROC^a (95% CI)

P

AUROC^a (95% CI)

P

AUROC^a (95% CI)

P

CTA vs. OA

0.97 (0.95–0.99)

<0.001

0.72 (0.64–0.79)

<0.001

0.81 (0.75–0.87)

<0.001

CTA vs. RCT

0.61 (0.54–0.69)

0.005

0.71 (0.63–0.78)

<0.001

0.74 (0.67–0.80)

<0.001

CTA vs. TC

0.89 (0.84–0.93)

<0.001

0.75 (0.69–0.82)

<0.001

0.60 (0.52–0.68)

0.013

CTA vs. IM

0.58 (0.50–0.66)

0.059

0.51 (0.69–0.82)

0.768

0.44 (0.36–0.52)

0.169

OA vs. RCT

0.99 (0.98–0.99)

<0.001

0.84 (0.79–0.90)

<0.001

0.93 (0.90–0.97)

<0.001

OA vs. TC

0.73 (0.66–0.80)

<0.001

0.51 (0.42–0.59)

0.908

0.76 (0.69–0.82)

<0.001

OA vs. IM

0.98 (0.97–0.99)

<0.001

0.75 (0.67–0.82)

<0.001

0.77 (0.70–0.83)

<0.001

RCT vs. TC

0.93 (0.90–0.97)

<0.001

0.91 (0.87–0.94)

<0.001

0.83 (0.77–0.88)

<0.001

RCT vs. IM

0.55 (0.47–0.63)

0.224

0.74 (0.67–0.82)

<0.001

0.78 (0.71–0.84)

<0.001

TC vs. IM

0.93 (0.89–0.96)

<0.001

0.80 (0.74−0.86)

<0.001

0.54 (0.46−0.62)

0.329