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Table 1 Comparison among the three groups, regarding medians and frequencies of controlled variables

From: Right frontal stroke: extra-frontal lesions, executive functioning and impulsive behaviour

  Groups
Variables Frontal Extra-Frontal Net Control   
  Median (tertiles) Median (tertiles) Median (tertiles) X 2 /U p
Scholarity 11 (5.5 – 17.5) 9 (5.0 – 11.0) 9 (5.0 – 13.0) 2.943 .230
Age 64 (61.0 – 71.50) 60 (54.0 – 67.0) 57 (47.25 – 63.50) 7.259 .027a
Lesion Time 27.0 (23.50 – 48.0) 22.0 (12.0 – 34.0) - 143.000 .132
Rankin Scale 0 (0 – 1.0) 1.0 (0 – 2.0) - 147.000 .126
Reading Habits 7.0 (3.5 – 8.5) 4.0 (2.0 – 7.0) 5.0 (3.0 – 6.25) 2.552 .279
Writing Habits 2.0 (0 – 4.5) 2.0 (0 – 4.0) 3.5 (1.0 – 5.0) 5.185 .075
Instruments      
MMSE 29.0 (25.50 – 29.50) 28.0 (26.0 – 29.0) 28.0 (26.0 – 29.0) 1.078 .583
SRQ-20 3.0 (2.0 – 4.50) 4.0 (2.0 – 8.0) 2.0 (1.0 – 5.25) 2.462 .292
WMI 27.0 (23.50 – 36.50) 28.0 (23.0 – 34.0) 27.0 (24.0 – 36.25) 0.466 .921
BDI-II 9.0 (5.0 – 12.50) 11.0 (4.0 – 23.0) 6.50 (2.0 – 11.0) 5.908 .052
  Frequency (%) Frequency (%) Frequency (%)   
Males 8 (61,5) 17 (54.8) 9 (23.7)   
Right-handed 10 (76.9) 28 (90.3) 34 (89.5)   
Ischemic Lesion 10 (76.9) 24 (77.4) -   
Benzodiazepines 0 4 (12.9) 2 (5.3)   
Antidepressants 2 (15.4) 7 (22.6) 4 (10.5)   
  1. a p ≤ 0,05 comparing control and frontal lesion group