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In this study, this function was used to obtain parameters for low-dose imaging for whole-spine imaging.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Methods<\/jats:title>\n                <jats:p>With the scatter grid removed and the beam-hardening (BH) filters (0.0, 0.1, 0.2, or 0.3\u00a0mm) inserted, the tube voltage (80, 90, 100, 110, or 120\u00a0kV) and the exposure time were adjusted to 20 different parameters that produce equivalent image quality. Slot-scan radiographs of an acrylic phantom were acquired with the set parameters, and the optimal parameters (four types) for each filter were determined using the figure of merit. For the four types of parameters obtained in the previous section, SSDR was performed on whole-spine phantoms by varying the tube current, and the parameter with the lowest radiation dose was determined by visual evaluation.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>The parameters for each filter according to the FOM results were 90\u00a0kV, 400 mA, and 2.8 ms for 0.0\u00a0mm thickness; 100\u00a0kV, 400 mA, and 2.0 ms for 0.1\u00a0mm thickness; 100\u00a0kV, 400 mA, and 2.8 ms for 0.2\u00a0mm thickness; and 110\u00a0kV, 400 mA, and 2.2 ms for 0.3\u00a0mm thickness. Visual evaluation of the varying tube currents was performed using these four parameters when the BH filter thicknesses were 0.0, 0.1, 0.2, and 0.3\u00a0mm. The entrance surface dose was 59.44 \u00b5Gy at 90\u00a0kV, 125 mA, and 2.8 ms; 57.39 \u00b5Gy at 100\u00a0kV, 250 mA, and 2.0 ms; 46.89 \u00b5Gy at 100\u00a0kV, 250 mA, and 2.8 ms; and 39.48 \u00b5Gy at 110\u00a0kV, 250 mA, and 2.2 ms, indicating that the 0.3-mm BH filter was associated with the minimum dose.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusion<\/jats:title>\n                <jats:p>Whole-spine SSDR could reduce the dose by 79% while maintaining the image quality.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1186\/s12880-023-00971-1","type":"journal-article","created":{"date-parts":[[2023,1,30]],"date-time":"2023-01-30T04:39:08Z","timestamp":1675053548000},"update-policy":"http:\/\/dx.doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Low-dose whole-spine imaging using slot-scan digital radiography: a phantom study"],"prefix":"10.1186","volume":"23","author":[{"given":"Shigeji","family":"Ichikawa","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hiroe","family":"Muto","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Masashi","family":"Imao","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Takashi","family":"Nonaka","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kouji","family":"Sakekawa","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yasutaka","family":"Sato","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2023,1,30]]},"reference":[{"key":"971_CR1","doi-asserted-by":"publisher","first-page":"371","DOI":"10.2106\/00004623-197961030-00009","volume":"61","author":"CL Nash Jr","year":"1979","unstructured":"Nash CL Jr, Gregg EC, Brown RH, Pillai K. 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