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Table 1 Amount of fat fraction in the supraspinatus muscle belly in the different subgroups

From: Grade of retraction and tendon thickness correlates with MR-spectroscopically measured amount of fatty degeneration in full thickness supraspinatus tears

Tendon Retraction [mm] n Fat fraction [%] SD [%]
0–10 15× 3.7 4.2
11–20 13× 16.7 8.2
20 14× 37.5 19.7
Tendon Thickness [mm]
 Larger than 4 24× 9.6 12
 Thinner than 4 18× 31.5 19.3
Duration [months]
 1–12 20× 8.9 8.7
  > 12 22× 32.5 21.3
Age [years]
 43–55 11× 12.9 15.9
 56–65 17× 22.1 20.3
  > 65 14× 20 18.4
BMI
  < 25 16× 15.9 19.6
  > 25 26× 17.8 18.3
Sex
 Male 11× 16.2 18.2
 Female 31× 25.1 19.24
Smoker Status
 Smoker 25,50 18,2
 Non-smoker 35× 17,50 18,85