The Greek version of Shoulder Pain and Disability Index (SPADI): translation, cultural adaptation, and validation in patients with rotator cuff tear

Journal of Orthopaedics and Traumatology

Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 5 Item-Total Statistics of the Greek SPADI score

	Scale mean if item deleted	Scale variance if item deleted	Corrected item-total correlation	Squared multiple correlation	Cronbach’s a if item deleted
Question 1	58.64	412.927	0.614	0.625	0.927
Question 2	59.71	404.051	0.618	0.708	0.926
Question 3	59.43	391.614	0.750	0.834	0.922
Question 4	60.75	386.167	0.757	0.726	0.921
Question 5	59.87	390.786	0.754	0.728	0.922
Question 6	62.07	374.540	0.725	0.777	0.923
Question 7	60.98	370.475	0.753	0.713	0.922
Question 8	62.19	363.262	0.740	0.737	0.923
Question 9	63.80	396.417	0.572	0.554	0.928
Question 10	63.40	392.678	0.589	0.481	0.927
Question 11	59.77	384.097	0.833	0.855	0.919
Question 12	59.60	403.589	0.575	0.619	0.927
Question 13	60.96	390.612	0.694	0.607	0.924