TABLE 3.

Consensus Agreement Between Surgeons and Radiologists^a

Adjudication Questions	Consensus in Time 1			Consensus in Time 2
	ICC	95% CI		ICC	95% CI
		Lower	Upper		Lower	Upper
Findings consistent with FAI?	0.33	−0.17	0.62	0.15	–0.50	0.51
Cam lesion?	0.78	0.61	0.87	0.74	0.54	0.85
Pistol-grip abnormality?	0.27	−0.28	0.58	0.35	−0.14	0.63
Alpha angle >50.5?	0.55	0.21	0.74	0.47	0.07	0.70
Size of alpha angle?	0.70	0.48	0.83	0.82	0.61	0.90
Offset ratio of <0.17?	0.31	−0.22	0.60	0.45	0.04	0.69
Size of offset ratio?	0.51	0.14	0.72	0.70	0.47	0.83
Pincer lesion?	0.30	−0.23	0.60	−0.10	−0.92	0.37
Crossover sign abnormality?	0.44	0.01	0.68	0.60	0.30	0.77
Posterior wall sign abnormality?	0.39	−0.07	0.65	0.34	−0.16	0.62
Ischial spine sign abnormality?	0.40	−0.06	0.66	0.65	0.39	0.80
Coxa profunda abnormality?	0.63	0.35	0.79	0.27	−0.28	0.59
Acetabular protrusio abnormality?	0.55	0.21	0.74	−0.06	−0.86	0.39
Mixed FAI?	0.67	0.42	0.81	0.57	0.25	0.76
Radiographic view most helpful?	−0.29	−1.26	0.27	0.00	−0.75	0.43

^aBoldfaced values indicate an intraclass correlation coefficient (ICC) ≥0.61, suggesting at least good agreement. FAI, femoroacetabular impingement.