Table 1 Demographic data

Male/female

11/13

12/15

0.842

Age (year)

53.8 (39–62; ±5.3)

52.2 (37–62: ±6.5)

0.353

BMI (kg/m2)

22.1 (18.7–25.4; ±2.8)

22.6 (18.2–26.1: ±2.6)

0.501

Diabetes

3

5

0.838

Smoking history

4

7

0.422

Symptom duration at presentation (month)

6.8 (3–18; ±3.5)

7.6 (5–18; ±3.1)

0.441

Night pain

19

21

0.574

Tear size: small/medium/large

12/31/5

10/38/6

0.729

Isolated supraspinatus

36

39

0.751

supraspinatus + subscapularis

7

8

0.974

supraspinatus + Infraspinatus

5

7

0.690

Atrophy(supraspinatus)

1.60 ± 0.32

1.54 ± 0.31

0.486

Fatty degeneration(supraspinatus)

0.83 ± 0.64

0.87 ± 0.53

0.822