Table 3. Association of set sequence, confidence level,and image quality with diagnostic accuracy.

	Experienced observer (0R) 95% CI	Inexperienced observers(0R) 95% CI	Total (0R) 95% CI
Set1	1.00	1.00	1.00
Set2	0.82(0.32–2.14)	2.01(1.22–3.31)	1.63 (1.05–2.51)
Set3	1.60(0.55–4.62)	7.95(3.75–16.87)	4.84 (2.70–8.68)
Set4	1.68(0.57–4.92)	6.45(3.14–13.27)	4.28(2.41–7.58)
Confidence1	1.00	1.00	1.00
Confidence2	1.81(0.72–4.51)	1.66(0.93–2.97)	1.7(1.06–2.75)
Confidence3	14.76(3.82–56.97)	4.26(2.15–8.45)	5.68(3.20–10.09)
Quality1	1.00	1.00	1.00
Quality 2	2.23(0.95–5.25)	1.59(0.93–2.70)	1.69(1.09–2.62)
Quality 3	5.46(1.29–23.16)	2.39(1.27–4.49)	2.54(1.48–4.35)