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Table 1 Patient characteristics

From: Dimensions of the posterior fossa in patients symptomatic for Chiari I malformation but without cerebellar tonsillar descent

  Chiari-like Group Control Group
Number of Patients 22 25
Ageb 48 (17–65) 51 (34–68)
Male to female ratio 8:14 9:16
Duration of symptomsb 7.4 (3–15) N/A
  1. b Mean (range) in years
  2. N/A, not applicable