Assessment and Diagnosis of Musculoskeletal Shoulder Disorders over the Internet

Table 5

Results from the analysis of physical examinations producing categorical data.

Test		Percentage agreement			Weighted kappa	Strength of agreement
		Exact	Close	Exact and close
	Validity	67.70	9.10	76.80	0.50	Fair
Pain	Intra-rater reliability	94.10	3.10	97.20	0.95	Almost Perfect
	Inter-rater reliability	93.60	3.60	97.20	0.95	Almost Perfect
	Validity	80.80	15.20	96.00	0.66	Substantial
Severity scale	Intra-rater reliability	88.50	9.20	97.70	0.83	Almost Perfect
	Inter-rater reliability	85.00	14.20	99.20	0.83	Almost Perfect