Participants' demographics and sonographic findings of shoulder joints in the group with supraspinatus tendon full-thickness tears and those without tears.

The univariate comparisons between both groups were conducted by the Student's t test for continuous variables and the Chi-square test for categorical variables.Note: continuous variables are expressed as the mean and standard deviation and categorical variables are expressed as the number and percentage in each subgroup.*indicates a p value less than .05.Participants' demographics and sonographic findings of shoulder joints in the group with supraspinatus tendon full-thickness tears and those without tears.