Table 1:

Incidence, sensitivity, and specificity of imaging findings in IIH and control groups

Imaging Signs	IIH	Controls	Sensitivity	Specificity
Optic nerve sheath dilation	63 (84%)	12 (16%)	84	84
Empty/partial empty sella	69 (92%)	20 (26%)	92	74
Posterior scleral flattening	41 (55%)	0	55	100
Papilledema	34 (45%)	0	45	100
Bilateral TSS	55 (73%)	6 (8%)	73	92
Enlarged MC	56 (75%)	11 (14%)	75	86