Table 1:

Subject characteristicsa

PatientsControlsP Value
N1315
Age59.72 ± 7.7257.45 ± 10.34NS
Sex (% male)6247NS
CNS9.85 ± 3.720.33 ± 0.62<.0001
MMSE25.22 ± 3.1128.50 ± 1.62<.005
  • Note:—CNS indicates Clinical Neurological Scale; MMS, Mini-Mental State Examination; NS, not significant.

  • a Significant differences between the groups were assessed by t test for continuous measures and χ2 for gender distributions. Symptom severity was quantified by the CNS12 and MMS.11