Table 2.

Clinical Examination Results of IIH patients with BMI <40 and BMI ≥40.

	BMI <40 (n=256)	BMI ≥40 (n=158)
Demographics/risk factors	N or median (% or range)	N or median (% or range)	pValue
Visual acuity, first visit (logMAR, n=409)	0.1 (−0.3,6.9)	0.1 (−0.3,5.3)	0.12
Visual acuity, last visit (logMAR, n=363)	0.0 (−0.3,6.9)	0.1 (−0.3,6.9)	0.06
Visual field grade, first visit (n=381)	2.5 (1.0,4.5)	2.5 (1.0,4.0)	0.74
Visual field grade, last visit (n=356)	2.0 (1.0,4.0)	2.0 (1.0,4.0)	0.08
HVF MD, first visit (n=284)	−4.5 (0.2,−33.5)	−4.6 (0.3, −33.4)	0.32
HVFMD, last visit (n=289)	−3.3 (0.1,−29.3)	−3.6 (0.3,−33.1)	0.36
Severe visual loss (n=414)	29 (11.3%)	28 (17.7%)	0.07
Papilledema, first exam(n=385)			0.02
0	10 (4%)	4 (2%)
1	23 (10%)	15 (10%)
2	59 (25%)	23 (16%)
3	81 (34%)	51 (34%)
4	41 (17%)	36 (24%)
5	23 (10%)	19 (13%)
Papilledema, last exam(n=361)			0.08
0	98 (45%)	56 (39%)
1	61 (28%)	38 (26%)
2	42 (19%)	28 (19%)
3	15 (7%)	11 (8%)
4	1 (<1%)	7 (5%)
5	0 (0%)	4 (3%)

Severe visual loss = corrected visual acuity less than or equal to 20/200 or total visual field less than 20°.

HVF MD = Humphrey visual field mean deviation (dB).