Table 3.

Per reader and overall areas under the receiver operator characteristic curve (with 95% confidence intervals) for each of the CT findings studied in the distinction of small simple cysts and renal cell carcinomas

CT finding	Reader 1	Reader 2	Reader 3	Overall
Subjective impression	1.00 (1.00–1.00)	0.96 (0.89–1.00)	0.90 (0.80–1.00)	0.97 (0.93–1.00)
CT attenuation	0.85 (0.68–0.1.00)	0.80 (0.60–1.00)	0.90 (0.76–1.00)	0.82 (0.72–0.93)
Border	0.85 (0.66–1.00)	0.56 (0.36–0.76)	0.53 (0.23–0.73)	0.59 (0.50–0.72)
Shape	0.50 (0.50–0.50)	0.61 (0.50–0.72)	0.54 (0.46–0.61)	0.55 (0.50–0.59)