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Fig. 4 | BMC Medical Imaging

Fig. 4

From: Effect of cerebrospinal fluid area mask correction on 123I-FP-CIT SPECT images in idiopathic normal pressure hydrocephalus

Fig. 4

Comparison of SBR before and after CSF area mask correction with a database of healthy controls by age. Scatterplot of SBR before and after CSF area mask correction. Filled dots and white dots represent the SBR before and after CSF area mask correction, respectively. The dotted line shows the 95% upper (purple), average (red), and lower (green) prediction intervals of the Japanese healthy adult database. The cases in which SBR was below and near the lower limit of the 95% prediction interval after the CSF area mask correction were indicated by arrow (↖) and double arrow (⇖), respectively. SBR: specific binding ratio, CSF: cerebrospinal fluid, ncSBR: the SBR without CSF area mask correction, cSBR: the SBR with CSF area mask correction, PI: prediction interval

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BMC Medical Imaging

ISSN: 1471-2342

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