Research Article

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

Table 2

Intra- and interrater test/retest reproducibility for expert and nonexpert observers assessed by calculation of intraclass correlation coefficients (ICC).

ObserverIntrarater
ICC
Interrater
ICC
Expert
consensus

Expert 10.9970.7800.880
Expert 20.8950.820
Expert 31.0000.893
Expert 40.9970.915

Nonexpert 10.7890.834
Nonexpert 20.7160.752
Nonexpert 30.7960.639
Nonexpert 40.9260.732
Nonexpert 50.7970.533
Nonexpert 60.9870.823

Average experts0.9720.877
Average nonexperts0.8350.719