Table 1:

Patient characteristics

	Sex, Age	Category	CSF Opening Pressure and Imaging Findings
1	F, 40	No SIH or IIH	10 cm H₂0, Bern score 2, no SLEC, no CVF
2	M, 32	No SIH or IIH	Postdural puncture headache, 9 cm H₂0, Bern score 0, no SLEC
3	F, 68	SIH	8 cm H₂0, Bern score 2, CVF T10/11 left
4	M, 62	SIH	Bern score 2, CVF T5/6 left
5	M, 66	No SIH or IIH	SDH, Bern score 7, no SLEC, no CVF
6	F, 58	SIH	5 cm H₂0, frontotemporal brain sagging syndrome, Bern score 9, CVF T8/9 left, T9/10 right
7	F, 48	SIH	Bern score 3, CVF T5/6 left
8	M, 76	No SIH or IIH	CSF rhinorrhea due to prolactinoma
9	M, 55	No SIH or IIH	Suspected CSF rhinorrhea
10	F, 69	No SIH or IIH	CSF rhinorrhea due to prolactinoma
11	F, 63	IIH	35 cm H₂0, BMI 30.5, CSF rhinorrhea
12	M, 56	IIH	9 cm H₂0, CSF rhinorrhea
13	F, 60	No SIH or IIH	Suspected CSF rhinorrhea after meningioma surgery
14	F, 51	IIH	23 cm H₂0, BMI 36.7, CSF rhinorrhea
15	F, 35	No SIH or IIH	Suspected CSF rhinorrhea
16	M, 51	No SIH or IIH	15 cm H₂0, suspected CSF rhinorrhea after recurrent meningitis
17	M, 51	No SIH or IIH	15 cm H₂0, suspected CSF rhinorrhea after recurrent meningitis

Note:—BMI indicates body mass index; CVF, CSF venous fistula; IIH, idiopathic intracranial hypertension; SLEC, spinal longitudinal extrathecal fluid; SDH, subdural hematoma.