Table 1.

Demographic overview

	Patient category
	REF	PC	AC	SIH	IIH	iNPH	Comm. HC	Non-comm. HC
Number of subjects	28	13	14	14	15	63	11	3
Ith dose of gadobutrol
0.10 mmol	0	0	0	0	0	13	0	0
0.25 mmol	3	0	2	4	1	17	3	0
0.50 mmol	25	13	12	10	14	33	8	3
Gender (male/female)	6/22	1/12	8/6a	5/9	2/13	37/26b	7/4a	2/1
Age (years)	39 ± 12	36 ± 13	52 ± 17a	50 ± 10b	33 ± 11	72 ± 6c	49 ± 13a	43 ± 29
Height (cm)	172 ± 8	170 ± 5	176 ± 10	172 ± 10	165 ± 7b	173 ± 9	178 ± 12	171 ± 7
Weight (kg)	82 ± 15	80 ± 15	82 ± 13	78 ± 23	88 ± 17	81 ± 16	84 ± 20	80 ± 24
BMI (kg/m2)	28 ± 5	28 ± 4	27 ± 3	26 ± 6	32 ± 5a	27 ± 4	26 ± 5	27 ± 6
GFR (ml/min)	103 ± 12	98 ± 12	86 ± 16b	95 ± 15	105 ± 13	77 ± 14c	92 ± 18	104 ± 15

Data presented as mean ± SD. Differences from the reference group were determined by independent samples t-test for continuous variables and by Fishers exact test for categorical variables (^aP < 0.05, ^bP < 0.01, ^cP < 0.001). Patient categories: AC Arachnoid cyst, Comm HC communicating hydrocephalus, IIH idiopathic intracranial hypertension, iNPH idiopathic normal pressure hydrocephalus, Non-comm HC non-communicating hydrocephalus, PC pineal cyst, REF reference cohort, SIH spontaneous intracranial hypotension