PRO-Angoff method for remote standard setting: establishing clinical thresholds for the upper digestive disease tool

Journal of Patient-Reported Outcomes

Table 2 Internal consistency estimates comparison for the symptom domains

Domains	Including core and contextual items for scoring	Including only the core items for scoring (frequency, severity, and interference)	Including only the two core items for scoring (severity and interference)
Dysphagia	0.91	0.89
Heartburn	0.85	0.93
Regurgitation	0.77	0.83
Dumping - generalized	0.86	0.87
Dumping - GI	0.57	0.55	0.68
Pain	0.93	0.93
Nausea	0.90	0.90
Dyspnea^a	-	-	-
Aspiration^a	-	-	-