Table 1.

Microvessel density: number of vessels in a $0.25{\mathrm{mm}}^2$ area of tissue.

	Dobbs et al.7	Obermair et al.9
Normal	27
CIN 1	36	$19.4\pm 5.8$
CIN 2	39	$21.9\pm 7.0$
CIN 3	46	$34.1\pm 14.8$
Invasive SCC	54