Table 1:

Pressure measurements, DENSE pontine displacements, and times between measurements in patients with IIH pre-LP and post-LP

Patient No.	OP, cm H20	CP, cm H20	OP to CP Pressure Change, cm H20	OP to CP Pressure Change, %	CSF Removed, cc	Pre-LP DENSE, mm	Post-LP DENSE, mm	% Change	Pre-LP DENSE to OP Time, min	CP to Post-LP DENSE Time, min
1	26	15	11	−42	11	0.124	0.134	8	56	17
2	41	18	23	−56	16	0.022	0.059	164	95	48
3	36	17	19	−53	20	0.071	0.097	36	67	18
4	46	19	27	−59	22	0.047	0.087	86	204	35
5	40	16	24	−60	15	0.105	0.119	14	51	34
6	33	16	17	−52	15	0.037	0.051	39	39	21
7	35	15	20	−57	15	0.024	0.052	113	72	10
8	32	19	13	−41	14	0.078	0.085	8	41	30
9	49	26	23	−47	12	0.035	0.054	54	35	26

Note:—CP indicates closing pressure; OP, opening pressure.