TABLE 3.

Cell numbers and volume by neocortical area.

		Control		AIDS
		mean	CV	mean	CV	p value
Frontal	Neurons	8.7 × 106	0.26	7.0 × 106	0.37	0.09
	Oligodendrocytes	12.2 × 106	0.28	8.9 × 106	0.32	0.02∗
	Astrocytes	2.6 × 106	0.37	3.2 × 106	0.38	0.15
	Microglia	0.3 × 106	1.15	0.2 × 106	1.06	0.78
	Volume, cm3	229.0	0.08	198.0	0.23	0.04∗
Temporal	Neurons	5.1 × 106	0.40	4.1 × 106	0.35	0.12
	Oligodendrocytes	7.0 × 106	0.37	4.7 × 106	0.26	0.02∗
	Astrocytes	1.4 × 106	0.38	1.6 × 106	0.30	0.35
	Microglia	0.3 × 106	1.01	0.1 × 106	0.62	0.60
	Volume, cm3	121.0	0.31	108.0	0.17	0.07
Parietal	Neurons	5.1 × 106	0.22	4.0 × 106	0.34	0.03∗
	Oligodendrocytes	6.7 × 106	0.32	4.8 × 106	0.26	0.02∗
	Astrocytes	1.5 × 106	0.33	1.5 × 106	0.25	0.96
	Microglia	0.2 × 106	1.01	0.1 × 106	1.00	0.57
	Volume, cm3	119.0	0.10	96.2	0.21	0.002∗∗
Occipital	Neurons	3.6 × 106	0.31	3.1 × 106	0.41	0.33
	Oligodendrocytes	3.8 × 106	0.38	2.6 × 106	0.25	0.01∗
	Astrocytes	1.0 × 106	0.55	1.1 × 106	0.21	0.83
	Microglia	0.1 × 106	1.17	0.1 × 106	0.57	0.47
	Volume, cm3	55.9	0.28	45.2	0.27	0.09
Neocortex	Neurons	22.4 × 106	0.19	18.2 × 106	0.31	0.04∗
	Oligodendrocytes	29.6 × 106	0.30	21.0 × 106	0.24	0.003∗∗
	Astrocytes	6.6 × 106	0.25	7.5 × 106	0.22	0.27
	Microglia	0.9 × 106	1.24	0.5 × 106	0.77	0.81
	Volume, cm3	524.9	0.16	447.4	0.09	0.002∗∗

^∗p < 0.05 and ^∗∗p < 0.01.