Inter-item correlations for severity items.
bleeding, itching, pain
BLEEDING
The Pearson’s correlation coefficient was determined for the itching severity, pain severity, and burning severity items. The weeping, bleeding, and ulcer/sore items were also subject to inter-item correlation analysis. All correlation among those items were poor; thus, the weeping, bleeding, and ulcer/sore items were not combined into a domain score but kept as single items (