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Table 7 Association between limitation of ROM “external-rotation” according to MRI finding (n = 70)

From: Shoulder adhesive capsulitis: can clinical data correlate with fat-suppressed T2 weighted MRI findings?

MRI finding Limitation of ROM (External rotation) Test value p-value
Absent (n = 19) Present (n = 51)
Qualitative findings     
Capsular edema     
Glenoid     
Absent 6 (31.6%) 37 (72.5%) x2: 9.807 0.002*
Present 13 (68.4%) 14 (27.5%)
Humeral     
Absent 6 (31.6%) 33 (64.7%) x2: 6.157 0.013*
Present 13 (68.4%) 18 (35.3%)
Extra capsular edema     
Anterior     
Absent 6 (31.6%) 39 (76.5%) x2: 12.151  < 0.001**
Present 13 (68.4%) 12 (23.5%)
Posterior     
Absent 8 (42.1%) 41 (80.4%) x2: 9.663 0.002*
Present 11 (57.9%) 10 (19.6%)
Obliteration of subcoracoid fat triangle     
Absent 12 (63.2%) 23 (45.1%) x2: 3.271 0.195
Partial obliteration 0 (0.0%) 6 (11.8%)
Complete obliteration 7 (36.8%) 22 (43.1%)
Effusion of biceps tendon sheath     
Absent 7 (36.8%) 15 (29.4%) x2: 0.355 0.552
Present 12 (63.2%) 36 (70.6%)
Quantitative findings     
Capsular thickening     
Glenoid (mm)     
Mean ± SD 6.33 ± 1.15 5.67 ± 1.29 t: 1.770 0.060
Range 4–8 2.87–7.7
Humeral (mm)     
Mean ± SD 5.33 ± 1.91 5.03 ± 1.75 t: 0.400 0.530
Range 3.2–8.8 1.5–9.03
Axillary recess     
Height (mm)     
Mean ± SD 7.05 ± 3.15 6.64 ± 2.27 t: 0.370 0.550
Range 3.49–11.6 3.2–13.5
Width (mm)     
Mean ± SD 2.64 ± 1.50 2.43 ± 1.37 t: 0.290 0.590
Range 1–5.5 0.9–6.8
  1. Using: Independent sample t-test; x2: Chi-square test
  2. p-value > 0.05 NS; *p-value < 0.05 S