Table 2 Mean (SD) and mean differences (95% CI) between individuals with shoulder impingement syndrome (SIS, n = 39) and asymptomatic age, gender and dominant arm matched controls (n = 39) for acromiohumeral distance (AHD), supraspinatus tendon thickness (STT) measures and occupation ratio

From: Acromiohumeral distance and supraspinatus tendon thickness in people with shoulder impingement syndrome compared to asymptomatic age and gender-matched participants: a case control study