Table 3.

Results of Inter-examiner Agreement on Diagnostic Categories

Rotator cuff pathology		Surgeon
		Yes	No
Physiotherapist	Yes	80 (a)	4 (b)
	No	2 (c)	14 (d)
κ=0.79 (p<0.001, 95% CI, 0.62–0.95), PA=94%, BI=0.02, PI=0.66, PABAK=0.88

Biceps pathology		Surgeon
		Yes	No
Physiotherapist	Yes	7 (a)	4 (b)
	No	3 (c)	86 (d)
κ=0.63 (p<0.001, 95% CI, 0.37–0.88), PA=93%, BI=0.01, PI=0.70, PABAK=0.86

Osteoarthritis GH		Surgeon
		Yes	No
Physiotherapist	Yes	15 (a)	10 (b)
	No	3 (c)	72 (d)
κ=0.62 (p<0.001, 95% CI, 0.43–0.80, PA=0.87%, BI=0.07, PI=0.57, PABAK=0.74

Osteoarthritis AC		Surgeon
		Yes	No
Physiotherapist	Yes	44 (a)	13 (b)
	No	3 (c)	40 (d)
κ=0.68 (p<0.0001, 95% CI, 0.54–0.82), PA=84%, BI=0.1, PI=0.04, PABAK=0.68

Instability		Surgeon
		Yes	No
Physiotherapist	Yes	11 (a)	0 (b)
	No	3 (c)	86 (d)
κ=0.86 (p<0.001, 95% CI, 0.71–1.00), PA=97%, BI=0.03, PI=0.75, PABAK=0.94

Inflammatory conditions		Surgeon
		Yes	No
Physiotherapist	Yes	2 (a)	0 (b)
	No	2 (c)	96 (d)
κ=0.67 (p<0.001, 95% CI, 0.22–1.00), PA=98%, BI=0.02, PI=0.94, PABAK=0.96

Superior labral pathologies		Surgeon
		Yes	No
Physiotherapist	Yes	4 (a)	3 (b)
	No	1 (c)	92 (d)
κ=0.65 (p<0.001, 95% CI, 0.32–0.97), PA=96%, BI=0.02, PI=0.88, PABAK=0.92

BI=Bias index=(|b−c|/n); PI=Prevalence index (|a−d|/n); PABAK=(2 p_o−1), p_o=observed agreement=(a+d)/n.