Deep learning-based fully automated Z-axis coverage range definition from scout scans to eliminate overscanning in chest CT imaging

Salimi, Yazdan; Shiri, Isaac; Akhavanallaf, Azadeh; Mansouri, Zahra; Saberi Manesh, Abdollah; Sanaat, Amirhossein; Pakbin, Masoumeh; Askari, Dariush; Sandoughdaran, Saleh; Sharifipour, Ehsan; Arabi, Hossein; Zaidi, Habib

doi:10.1186/s13244-021-01105-3

Insights into Imaging

Table 1 Patients’ demographics and CT scanner manufacturer and acquisition parameters plus overscanning ranges selected by the technologist in both directions in the whole dataset categorized by centers

From: Deep learning-based fully automated Z-axis coverage range definition from scout scans to eliminate overscanning in chest CT imaging

Database	Gender		D_AP (cm)	D_Lat (cm)	Scanner Manufacturer	Tube current (mA)	CTDI_vol (mGy)	SSDE (mGy)	DLP (mGy.cm)	Overscanning (mm)
	Gender		D_AP (cm)	D_Lat (cm)		Tube current (mA)	CTDI_vol (mGy)	SSDE (mGy)	DLP (mGy.cm)	Superior	Inferior
	Male	Female	Mean ± STD	Mean ± STD		Mean ± STD	Mean ± STD	Mean ± STD	Mean ± STD	Mean ± STD	Mean ± STD
C1	260	223	23.3 ± 2.3	31.1 ± 3.6	GE	186.2 ± 34.0	8.47 ± 0.53	11.69 ± 0.85	97 ± 24	19.6 ± 10.9	42.3 ± 29.9
C2	759	564	24.1 ± 2.7	32.0 ± 3.7	GE	228.4 ± 27.2	6.82 ± 1.02	9.04 ± 0.98	19 ± 15	2.27 ± 1.71	1.89 ± 2.39
C3	435	303	23.7 ± 2.7	31.2 ± 3.6	Siemens	123.6 ± 9.6	3.40 ± 0.42	4.65 ± 0.6	33 ± 11	25.0 ± 19.0	54.0 ± 37.2
C4	978	929	23.2 ± 3.0	31.7 ± 4.0	Siemens	147.1 ± 43.2	6.13 ± 2.07	8.21 ± 2.14	103 ± 36	28.0 ± 11.5	33.7 ± 21.3
C5	196	171	22.7 ± 3.1	31.4 ± 4.1	Siemens	151.1 ± 47.8	6.22 ± 2.17	8.48 ± 2.52	106 ± 39	29.2 ± 12.3	37.8 ± 22.6
C6	465	412	24.2 ± 3.0	33.1 ± 3.7	Siemens	166.2 ± 51.3	4.30 ± 1.54	5.49 ± 1.50	79 ± 29	30.0 ± 11.4	39.6 ± 22.1
C7	869	779	22.7 ± 2.8	30.4 ± 3.9	NMS	220.7 ± 27.9	8.92 ± 1.40	12.61 ± 1.89	199 ± 33	30.9 ± 12.2	35.3 ± 26.1
C8	518	530	23.0 ± 3.8	31.5 ± 5.0	Phillips	89.3 ± 48.2	3.73 ± 2.09	5.05 ± 2.62	59 ± 34	23.5 ± 13.2	24.8 ± 21.7
C9	1489	1300	23.3 ± 2.9	31.2 ± 3.8	Siemens	174.0 ± 37.5	5.91 ± 1.52	7.99 ± 1.49	149 ± 42	25.7 ± 12.3	37.3 ± 21.9
C10	594	372	23.2 ± 3.2	31.0 ± 4.6	Siemens	210.7 ± 39.6	5.57 ± 1.21	7.69 ± 1.65	47 ± 27	24.0 ± 17.9	37.9 ± 39.1
D1	NA	NA	20.4 ± 3.1	26.7 ± 5.4	NA	NA	NA	NA	NA	32.6 ± 10.9	26.0 ± 17.2
D2	NA	NA	23.3 ± 3.3	29.7 ± 4.8	NA	NA	NA	NA	NA	34.7 ± 13.3	34.8 ± 22.4
D3	NA	NA	23.0 ± 3.2	30.6 ± 4.2	NA	424.0 ± 191.8	NA	NA	NA	22.1 ± 12.4	40.6 ± 35.6

Back to article page