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Table 1 Repeated-measures ANOVA test comparing the difference in the calculated mean of different DTI metrics within the same group of pathology and between different pathology along the study cohort

From: The value of quantitative diffusion tensor imaging indices of spinal cord disorders

Parameter Trauma
(n = 12)
NTND
(n = 19)
p value*
FA    
 At 0.420 ± 0.111 0.471 ± 0.115 = 0.150
 Above 0.626 ± 0.059 0.587 ± 0.095 = 0.272
 Below 0.528 ± 0.097 0.522 ± 0.143 = 0.859
 p value** < 0.001 = 0.007  
ADC    
 At 1.176 ± 0.245 1.161 ± 0.121 = 0.978
 Above 0.980 ± 0.147 1.078 ± 0.109 = 0.080
 Below 1.058 ± 0.137 1.137 ± 0.164 = 0.477
 p value** = 0.318 = 0.220  
RA    
 At 0.375 ± 0.108 0.434 ± 0.127 = 0.167
 Above 0.601 ± 0.132 0.563 ± 0.139 = 0.424
 Below 0.491 ± 0.119 0.490 ± 0.187 = 0.971
 p value** < 0.001 = 0.012  
VR    
 At 0.800 ± 0.086 0.740 ± 0.116 = 0.213
 Above 0.581 ± 0.104 0.617 ± 0.104 = 0.431
 Below 0.673 ± 0.132 0.694 ± 0.164 = 0.918
 p value** < 0.001 = 0.034  
  1. Repeated-measure ANOVA was used to compare the mean differences over time. The ADC value × 10−3mm2/s
  2. *Mean differences between group comparison
  3. **Mean differences within group comparison