BioMed Research International / 2018 / Article / Tab 4 / Research Article
The Diagnostic Ability of rs-DWI to Detect Subtle Acute Infarction Lesion in the Different Regions of the Brain and the Comparison between Different b-Values Table 4 Statistical analysis of the diagnostic ability between ss-DWI and rs-DWI in each anatomical region of the brain.
Regions True Positive True Negative False Positive False Negative Statistical Analysis (%) Sensitivity Specificity PPV NPV ss-DWI rs-DWI ss-DWI rs-DWI ss-DWI rs-DWI ss-DWI rs-DWI ss-DWI rs-DWI ss-DWI rs-DWI ss-DWI rs-DWI ss-DWI rs-DWI Frontal Cortex 88 110 0 9 9 0 22 0 80 100 0 100 80 100 0 100 Parietal Cortex 55 61 0 0 4 1 7 4 93 98.3 0 100 88.7 100 0 80 Insular Cortex 4 6 0 0 2 0 0 0 66.6 100 N/A N/A 100 100 N/A N/A Temporal Cortex 25 27 0 0 2 0 2 2 92.5 100 0 100 92.5 100 0 100 Occipital Cortex 30 32 0 0 2 0 2 2 93.8 100 0 100 93.8 100 0 100 White Matter 85 112 1 1 3 0 27 2 75.8 100 25 66.6 96.5 99 3 100 Basal Ganglia 16 17 0 0 0 0 1 0 94.1 100 N/A N/A 100 100 0 N/A Brain Stem 4 4 0 0 0 0 0 0 100 100 N/A N/A 100 100 0 N/A Cerebellum 11 16 0 0 0 0 5 0 68.8 100 N/A N/A 100 100 0 N/A
ss-DWI: single shot Diffusion Weighted Imaging; rs-DWI: readout segment-Diffusion Weighted imaging; PPV: positive predictive value; NPV: negative predictive value.