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Table 4 Correlation values of abduction

From: Deltoid muscle shape analysis with magnetic resonance imaging in patients with chronic rotator cuff tears

Correlation of/to

Abduction

(Spearman)

r-value

p-value

Deltoid thickness anterior

0.14

0.14

Deltoid thickness lateral

−0.06

0.5

Deltoid thickness posterior

0.01

0.94

Deltoid area pars clavicularis

0.14

0.13

Deltoid area pars acromialis

0.08

0.37

Deltoid area pars spinalis

0.07

0.42

Deltoid area total

0.11

0.25

SSP tendon retraction

−0.25

0.008

SSP Muscle retraction

−0.27

0.003

Goutallier SSP

−0.35

<0.0001

Goutallier ISP

−0.29

0.002

Goutallier SSC

−0.28

0.002

GFDI*

−0.36

<0.0001

SSP Atrohpy (Tangent sign)

−0.27

0.003

CS** Pain

0.16

0.08

  1. *GFDI: global fatty degeneration index (= Goutallier stage of (SSP + ISP + SSC)/3).
  2. **Constant Score.