Skip to main content

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