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. 2015 May 19;27(1):71–79. doi: 10.1007/s00062-015-0398-7

Table 2.

The comparison of frequency of activity (F), values of t-statistics (T) and number of clusters (k) of primary and secondary areas in patients with tumors of different volume

V < 40 cm3 (n = 6) V > 40 cm3 (n = 10)
M1a (n) 6 9
M1a (F) 1.0 0.90
T 15.76 ± 5.60 11.69 ± 5.51
k 372.17 ± 106.0 295.22 ± 148.83
V (cm3) 24.60 ± 10.62 56.65 ± 17.69
M1u (n) 1 3
M1u (F) 0.167 0.30
T 13.41 ± 0 5.99 ± 1.70
k 513.0 ± 0 125.0 ± 106.06
V (cm3) 24.68 55.84 ± 7.01
PMAa (n) 4 4
PMAa (F) 0.667 0.40
T 6.77 ± 1.78 9.91 ± 4.69
k 137.25 ± 126.33 283.0 ± 170.25
V (cm3) 24.72 ± 10.54 51.94 ± 9.40
PMAu (n) 2 2
PMAu (F) 0.333 0.20
T 8.19 ± 3.22 5.92 ± 1.41
k 237.0 ± 166.88 193.0 ± 76.31
V (cm3) 31.29 ± 9.34 49.26 ± 11.12
SMAa (n) 4 8
SMAa (F) 0.667 0.80
T 9.30 ± 3.48 6.07 ± 1.03
k 353.50 ± 121.70 184.63 ± 89.63
V (cm3) 30.48 ± 7.05 57.08 ± 18.53

M1a contralateral primary motor area, M1u ipsilateral primary motor cortex, PMAa contralateral premotor area, PMAu ipsilateral premotor area, SMAa supplementary motor area