EJNMMI Research

Table 3 Patient characteristics (analysis 2)

From: Impact of the cerebrospinal fluid-mask algorithm on the diagnostic performance of ¹²³I-Ioflupane SPECT: an investigation of parkinsonian syndromes

	All	PS	NPS	p value
Low EI
Number of cases	92	47	45	–
Age (y, mean ± SD)	63 ± 15.8	66 ± 11.7	60 ± 18.8	0.04^a
Men/women (N)	43/49	25/22	18/27	0.22^b
Middle EI
Number of cases	92	41	51	–
Age (y, mean ± SD)	70 ± 9.8	70 ± 9.2	70 ± 10.3	0.97^a
Men/women (N)	43/49	20/21	23/28	0.83^b
High EI
Number of cases	91	56	36	–
Age (y, mean ± SD)	73 ± 7.5	74 ± 7.0	72 ± 8.2	0.20^a
Men/women (N)	64/27	41/14	23/13	0.35^b

In the low EI group, there was significant difference between the PS and NPS groups with respect to age
PS parkinsonian syndromes, NPS non-parkinsonian syndromes, SD standard deviation, y years
^at test
^bFisher’s exact test

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