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Table 1 Demographic data of subjects

From: Comparison of glenohumeral joint rotation between asymptomatic subjects and patients with subacromial impingement syndrome using cine-magnetic resonance imaging: a cross-sectional study

 

Before

After propensity score matching

Asymptomatic group

Patient group

P

Asymptomatic group

Patient group

P

Shoulders [n]

73

110

–

36

36

–

Age [y]

28 (range, 21–40)

50 (range, 15–81)

< .0001

31 (range, 21–40)

30 (range, 15–54)

.8

Sex

F, 36; M, 37

F, 34; M, 76

.01

F, 9; M, 27

F, 9; M, 27

1.00

Side

D, 41; ND, 32

D, 69; ND, 41

.4

D, 24; ND, 12

D, 28; ND, 8

.4

Flexion [°]

178 ± 3

(CI, 177–178)

159 ± 22

(CI, 155–163)

< .0001

177 ± 3

(CI, 172–177)

163 ± 22

(CI, 155–170)

.0006

Abduction [°]

178 ± 3

(CI, 178–179)

138 ± 39

(CI, 131–146)

< .0001

178 ± 3

(CI, 177–179)

152 ± 36

(CI, 140–164)

.0001

ER [°]

74 ± 9

(CI, 72–76)

68 ± 18

(CI, 65–72)

.2

72 ± 10

(CI, 69–76)

76 ± 16

(CI, 70–82)

.3

IR a

T7

(Range, T12-T5)

T11

(Range, B-T5)

< .0001

T7

(Range, T12-T5)

T10

(Range, B-T5)

< .0001

  1. F female, M male, D dominant, ND nondominant, ER external rotation, IR internal rotation, T thoracic vertebra, B buttock, CI, 95% confidence interval
  2. aIR was determined by the spine level that could be reached by the thumb