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Table 1 CT-based density measurements (HU)

From: Radiological findings in ancient Egyptian canopic jars: comparing three standard clinical imaging modalities (x-rays, CT and MRI)

Canopic jar inventory number

ROI A, calcite,

diameter 20 mm

Mean ± SD (range)

ROI B, surrounding material,

diameter 10 mm

Mean ± SD (range)

ROI C, putative tissue structures,

diameter 10 mm

Mean ± SD (range)

607

2158±176 (1607–2789)

186±90 (−88–448)

344 ± 92 (71–595)

610-2

2221±185 (1469–2823)

224±69 (38–455)

351 ± 150 (−16–790

617

2139±160 (1357–2653)

216±106 (−120–472)

373 ± 105 (−2–664)

622-1

2342±108 (2059–2763)

207±69 (−101–347)

309 ± 67 (−16–507)

Mean

2215±160 (1623–2757)

208±85 (−68–431)

344 ± 108 (9–639)

  1. ROI region of interest, SD standard deviation