Bolus Residue Scale: An Easy-to-Use and Reliable Videofluoroscopic Analysis Tool to Score Bolus Residue in Patients with Dysphagia

Table 5

Averaged intraclass kappa (), sensitivity, and specificity for experts and nonexperts by scale scores.

	BRS 2+	BRS 3+	BRS 4+	BRS 5+	BRS 6
Experts
Intraclass	0.74	0.78	0.77	0.68	0.62
Specificity	0.90	0.93	0.98	0.93	0.98
Sensitivity	0.88	0.88	0.79	0.89	0.61
Nonexperts
Intraclass	0.54	0.59	0.62	0.52	0.36
Specificity	0.92	0.90	0.96	0.94	0.97
Sensitivity	0.73	0.72	0.67	0.54	0.33