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Table 3 Deep gray matter data: scan-rescan reliability (within group and field strengths)

From: Automated segmentation of cerebral deep gray matter from MRI scans: effect of field strength on sensitivity and reliability

  MS (n = 14) NC (n = 15)
  1.5T ICC (95% CI) 3T ICC (95% CI) 1.5T ICC (95% CI) 3T ICC (95% CI)
Volumes
 -Thalamus 0.99 (0.96, 1.00) 0.99 (0.98, 1.00) 0.95 (0.87, 0.98) 0.99 (0.97, 1.00)
 -Caudate 0.99 (0.98, 1.00) 0.99 (0.98, 1.00) 0.97 (0.93, 0.99) 0.96 (0.88, 0.98)
 -Putamen 0.94 (0.85, 0.98) 0.97 (0.90, 0.99) 0.95 (0.87, 0.98) 0.97 (0.93, 0.99)
 -Globus pallidus 0.94 (0.83, 0.98) 0.98 (0.95, 0.99) 0.95 (0.87, 0.98) 0.98 (0.93, 0.99)
 -Total DGM 0.99 (0.97, 1.00) 1.00 (0.99, 1.00) 0.98 (0.94, 0.99) 0.99 (0.98, 1.00)
Fractions
 -Thalamus 0.98 (0.95, 0.99) 0.95 (0.87, 0.98) 0.88 (0.71, 0.96) 0.93 (0.81, 0.97)
 -Caudate 0.98 (0.94, 0.99) 0.94 (0.84, 0.98) 0.96 (0.88, 0.98) 0.88 (0.69, 0.95)
 -Putamen 0.92 (0.78, 0.97) 0.92 (0.78, 0.97) 0.93 (0.81, 0.97) 0.95 (0.86, 0.98)
 -Globus pallidus 0.93 (0.80, 0.97) 0.95 (0.85, 0.98) 0.93 (0.81, 0.97) 0.85 (0.63, 0.94)
 -Total DGM 0.98 (0.93, 0.99) 0.93 (0.80, 0.97) 0.94 (0.84, 0.98) 0.89 (0.72, 0.96)
Normalized
 -Thalamus 0.95 (0.87, 0.98) 0.99 (0.96, 0.99) 0.96 (0.89, 0.99) 0.96 (0.88, 0.98)
 -Caudate 0.97 (0.90, 0.99) 0.98 (0.95, 0.99) 0.97 (0.93, 0.99) 0.92 (0.78, 0.97)
 -Putamen 0.94 (0.83, 0.98) 0.97 (0.92, 0.99) 0.93 (0.81, 0.97) 0.95 (0.86, 0.98)
 -Globus pallidus 0.92 (0.77, 0.97) 0.97 (0.92, 0.99) 0.97 (0.92, 0.99) 0.93 (0.82, 0.98)
 -Total DGM 0.95 (0.87, 0.98) 0.98 (0.95, 0.99) 0.97 (0.93, 0.99) 0.95 (0.85, 0.98)
  1. Key: MS multiple sclerosis, NC normal controls, DGM cerebral subcortical deep gray matter, CI confidence interval, ICC intraclass correlation coefficient; normalized = raw volume multiplied by SIENAX normalization factor