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Table 3: 
DTI and fiber tracking characteristics of the corpus callosum in control subjects and patients mild TBI who were investigated <3 or ≥3 months posttrauma*
Control Subjects (n = 10)Mild TBI <3 Months Posttrauma (n = 12)Mild TBI ≥3 Months Posttrauma (n = 12)
Genu
    FA0.74 (0.70–0.78)0.63 (0.58–0.67)†‡0.70 (0.66–0.73)
    ADC (mm2/s)2.43 (2.27–2.59)2.73 (2.55–2.92)§2.53 (2.40–2.66)
    Fibers (No.)495 (442–548)522 (458–586)460 (407–514)
Body
    FA0.54 (0.49–0.59)0.50 (0.43–0.57)0.51 (0.47–0.56)
    ADC (mm2/s)2.71 (2.25–3.18)2.77 (2.46–3.08)2.65 (2.34–2.96)
    Fibers (No.)254 (221–288)218 (179–257)225 (197–253)
Splenium
    FA0.82 (0.79–0.85)0.78 (0.74–0.82)0.80 (0.78–0.82)
    ADC (mm2/s)2.24 (2.11–2.37)2.43 (2.25–2.61)2.34 (2.24–2.45)
    Fibers (No.)937 (815–1058)877 (761–994)1032 (937–1128)
  • Note:—DTI indicates diffusion tensor imging; TBI, traumatic brain injury; FA, fractional anisotropy; ADC, apparent diffusion coefficient.
  • * Values are given as mean (95% confidence interval).
  • † P < .01, versus control subjects.
  • ‡ P < .05, versus late mild TBI.
  • § P < .05.