Table 1 Demographic and clinimetric characteristics of the study populations from each study
Study Country (Language) | Year | Sample size(n) | Mean (SD) age | %female | %male | Shoulder condition |
|---|---|---|---|---|---|---|
China (Chinese) [15] | 2017 | 152 | 47.3 (9.5) | 44.4 | 55.6 | RC disorders that needed arthroscopic surgery |
Netherlands (Dutch) [16] | 2013 | 52 | 54.2 (9.7) | 58 | 42 | Partial or full thickness RC rupture, calcific tendonitis, or RC tendinopathy |
Netherlands (Dutch) [17] | 2013 | 57 | 53 | 47 | 53 | RC tear, calcific tendonitis, impingement/tendinosis/ tendonitis |
Netherlands (Dutch) [18] | 2012 | 92 | 55 (8.7) | 53 | 47 | RC tear, calcific tendonitis, impingement |
Canada (French –Canadian) [13] | 2015 | 87 | 49.7 (12.4) | 34.5 | 65.6 | Tendinopathy, full or partial thickness RC tear |
Japan (Japanese) [19] | 2013 | 75 | 63.4 (11.1) | 43 | 57 | Impingement syndrome, tendinopathy, partial or full thickness RC tear |
Norway (Norwegian) 19 | 2008 | 74 | 51 (11) | 64 | 36 | Shoulder pain or full-thickness rotator cuff tear |
Iran (Persian) [21] | 2009 | 120 | 46.7 (15.4) | 45.6 | 48.7 | Rotator cuff tendonitis, rotator cuff tendinosis with no tear, partial tear or full-thickness tear |
Poland (Polish) [22] | 2018 | 69 | 55.5 | 29 | 71 | Had to be operated for rotator cuff disorders |
Brazil (Portuguese-Brazilian) [ 23] | 2008 | 100 | 56.7 (10.8) | 69 | 31 | Tendinopathy, full or partial thickness RC tear |
Brazil (Portuguese-Brazilian) [24] | 2006 | 30 | 55.1 (10.8) | 46.7 | 53.3 | Tendinopathy, full or partial thickness RC tear |
Spain (Spanish) [25] | 2015 | 60 | 57 (12.3) | 44 | 56 | Tendinopathy, full or partial thickness RC tear |
Sweden (Swedish) [26] | 2016 | 65 | 60 | 42 | 58 | Surgery for subacromial pain condition or RC disorder |
Turkey (Turkish) [27] | 2006 | 72 | 54.9 (9.9) | 75 | 25 | Impingement syndrome, full or partial RC tears |