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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 0.04a
 Men/women (N) 43/49 25/22 18/27 0.22b
Middle EI
 Number of cases 92 41 51
 Age (y, mean ± SD) 70 ± 9.8 70 ± 9.2 70 ± 10.3 0.97a
 Men/women (N) 43/49 20/21 23/28 0.83b
High EI
 Number of cases 91 56 36
 Age (y, mean ± SD) 73 ± 7.5 74 ± 7.0 72 ± 8.2 0.20a
 Men/women (N) 64/27 41/14 23/13 0.35b
  1. In the low EI group, there was significant difference between the PS and NPS groups with respect to age
  2. PS parkinsonian syndromes, NPS non-parkinsonian syndromes, SD standard deviation, y years
  3. at test
  4. bFisher’s exact test