Evaluate the collective function of references cited together in a given text segment.
Classify their combined role into one of the following categories: 'method', 'background', or 'result'.

Text:In this study, the unstimulated flow rate was significantly higher in the asymptomatic group; 0.17, when compared with 0.11 in the symptomatic ⁄AIDS group (P = 0.003).
Category: