Table 1. Microglia cell body:total coverage ratio based on Iba-1 immunohistochemistry.

	Mean ± sem				p-value
	CON + sham	CSS + sham	CON + ECS	CSS + ECS	Interaction	Main effect
						Group	Treatment
CA1oriens	0.016± 0.003	0.024± 0.004	0.021± 0.004	0.023± 0.003	0.38	0.18	0.47
CA1radiatum	0.018 ± 0.003	0.021± 0.001	0.026± 0.002	0.025± 0.002	0.35	0.65	0.01*
CA3oriens	0.021 ±± 0.002	0.023± 0.002	0.024± 0.002	0.020± 0.002	0.16	0.66	0.86
CA3radiatum	0.017 ± 0.002	0.019± 0.002	0.021± 0.001	0.024± 0.002	0.98	0.17	0.01*
Dentategyrus	0.025 ± 0.003	0.030± 0.003	0.032± 0.002	0.028± 0.002	0.96	0.32	0.28
Hilus	0.032 ± 0.005	0.036± 0.003	0.036± 0.003	0.040± 0.003	0.87	0.28	0.83
PFC	0.030 ± 0.005	0.033± 0.003	0.030± 0.003	0.034± 0.002	0.08	0.87	0.30
VTA	0.010 ± 0.002	0.009± 0.002	0.010± 0.002	0.009± 0.001	0.90	0.76	0.85

PFC = prefrontal cortex; VTA = ventral tegmental area.

Asterisks represent significance

*p<0.05.