Table 1. Average change in social contacts over all mice.

Variable	LPS-injected		Control-injected
	Average change (∆)	P	Average change (∆)	P
Degree	−4.8	0.008	−1.8	0.19
In-degree	−1.6	0.06	−1.4	0.10
Out-degree	−3.2	0.001	−0.5	0.35
Time in social contact (sec)	−19180.0	0.015	−11338.9	0.099
Time visited (sec)	−6619.7	0.105	−3699.63	0.24
Time visiting (sec)	−12560.3	0.0063	−7639.3	0.065
Number of interactions	−61.15	0.018	−13.2	0.30
Number of visits by others	−9.29	0.25	−0.13	0.506
Number of visits to others	−51.85	0.015	−13.07	0.27

A P-value was calculated by comparing the average change in injected mice to a distribution of average change obtained by repeated draws (10,000) of equal sized groups of randomly selected mice. Statistically significant differences at P < 0.05 are highlighted in bold.