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. Author manuscript; available in PMC: 2018 Jun 13.
Published in final edited form as: Surg Neurol. 2009 Jul;72(1):20–35. doi: 10.1016/j.surneu.2009.03.008

Table 1.

Characteristics of patients with CM-I/TCS and LLCT/TCS undergoing SFT

Variable Patient group (%)

CM-I/TCS LLCT/TCS Controls
Total no. of cases 280 38 155
Age (y)
  0–3 5 (2) 2 (5) 20
  4–7 17 (6) 1 (3) 20
  8–11 15 (5) 2 (5) 20
  12–15 15 (5) 3 (8) 20
  16–18 11 (4) 3 (8) 20
  19 – 69 217 (78) 27 (71) 55
Sex
  Male 47 (17) 14 (37) 30
  Female 233 (83) 24 (63) 125
Failed Chiari surgery 131 (34) 22 (58)

Numbers in parentheses denote percentages.