Table 1:

Demographic characteristics and neuropsychological scores of the study cohort

HC (n = 15)aICS (n = 55)P Values (Power)
aICSL (n = 22)aICSR (n = 33)aICSL vs HCaICSR vs HCaICSL vs aICSR
Age70.67 ± 3.0964.50 ± 11.6868.82 ± 9.03.06.45.13
Sex (M:F)8:716:625:8.23.06.85
Stenosis (%)80.22 ± 12.6878.91 ± 12.75.71
Handedness (L/R)0/150/222/311.33.24
Mini-Mental State Examination29.33 ± 0.8227.32 ± 2.2128.67 ± 1.31.002b(0.94).08.01b(0.76)
Digit Span Test
 Forward8.40 ± 0.747.95 ± 1.508.21 ± 0.99.29.52.45
 Reverse5.73 ± 1.034.45 ± 1.655.03 ± 1.67.01a(0.77).14.21
Verbal Learning Test
 Immediate recall53.93 ± 8.3745.95 ± 12.4349.64 ± 8.37.04a (0.81).15.23
 Delayed recall10.93 ± 1.448.14 ± 3.449.48 ± 2.00.01b (0.92).02a (0.87).07
  • aP < .05.

  • bP < .01.