TABLE 2

Texture Analysis of Regionally Segmented Datasets

Texture featureR frontalR parietalR temporalL frontalL parietalL temporal
Angular second moment0.2920.2120.1730.4490.1760.335
Contrast0.7200.7570.4720.8330.6370.763
Correlation0.8210.2320.5570.9840.6090.989
Sum of squares: variance0.6510.6300.4830.8500.3840.740
Inverse difference moment0.2140.4000.4300.9220.3320.328
Sum average0.1330.0100.8920.2210.0470.501
Sum variance0.6180.4160.5570.8840.3510.760
Sum entropy0.4780.2050.5760.8460.7440.296
Entropy0.3220.2720.1970.4510.1450.254
Difference variance0.2860.2380.8420.8520.5500.351
Difference entropy0.4520.4370.7900.9530.7850.574
Information on measurement of correlation 10.4650.4480.7900.4780.1380.409
Information on measurement of correlation 20.9210.9800.0610.4970.0340.109
  • Values refer to probability of statistically significant difference in each texture feature (P value), when comparing pre- and post-PCI image sets.