Table 3.

Toxicity scoring inter-rater agreement.

Characteristic (n = 17)	Agreement	Kappa	p-Value	Gwet’s AC1	p-Value
Pre-treatment stomach toxicity
Erythema	0.71	0.41	0.046	0.42	0.085
Edema	0.94	0.77	0.001	0.92	<0.001
Total	0.71	0.49	0.003	0.59	0.002
Pre-treatment duodenum toxicity
Erythema	0.94	0.82	<0.001	0.91	<0.001
Edema	0.94	0	-	0.94	<0.001
Total	0.88	0.65	0.001	0.86	<0.001
Post-treatment stomach toxicity
Erythema	0.76	0.62	<0.001	0.66	0.001
Edema	0.82	0.63	0.001	0.77	<0.001
Total	0.71	0.6	<0.001	0.64	<0.001
Post-treatment duodenum toxicity
Erythema	0.82	0.71	<0.001	0.75	<0.001
Edema	0.82	0.67	0.001	0.76	<0.001
Ulcers	1.00	1.00	<0.001	1.00	-
Strictures	1.00	1.00	<0.001	1.00	-
Total	0.76	0.7	<0.001