. Author manuscript; available in PMC: 2018 May 1.

Published in final edited form as: Eur Radiol. 2016 Sep 5;27(5):2055–2066. doi: 10.1007/s00330-016-4571-4

Table 2.

Per-patient pooled reader confidence by reconstruction algorithm

Lesion Category	Mean ± SD (Total N)	SD-FBP	RD-FBP		RD-ASIR		RD-MBIR
Lesion Category	Mean ± SD (Total N)	Mean diagnostic confidence^* with P-values^†
True positive malignant lesions		2.89 ± 0.40 (199)	2.77 ± 0.55 (174)	P=0.016	2.79 ± 0.56 (177)	P=0.038	2.87 ± 0.39 (182)	P=0.596
True positive benign lesions		2.96 ± 0.24 (103)	2.96 ± 0.19 (84)	P=0.922	2.95 ± 0.28 (75)	P=0.711	2.91 ± 0.33 (76)	P=0.215
False positive lesions		2.43 ± 0.85 (14)	1.64 ± 0.60 (14)	P=0.009	2.00 ± 0.51 (12)	P=0.141	1.69 ± 0.54 (32)	P<0.001
False negative lesions (mets mischaracterized as benign)		3.00 ± 0.00 (2)	2.33 ± 1.15 (3)	P=0.495	2.50 ± 0.71 (2)	P=0.423	3.00 ± N/A (1)	P=N/A
True negative patients		2.70 ± 0.55 (90)	1.98 ± 0.63 (97)	P<0.001	1.98 ± 0.74 (97)	P<0.001	1.62 ± 0.64 (82)	P<0.001

Three point scale: 1 = low confidence, 2 = somewhat confident, 3 = high confidence

^†

P-values compared to SD-FBP