Table 2.

Improvement in accuracy of detecting point of transition after using data set B.

Improvement in accuracy
Readers	Data set A	Data set B	Improvement	McNemar values	Cl values
Experienced radiologist	82.2%	95%	12.9%	0.002	6.5%–12.9%
Less experienced radiologist	84.2%	94.15%	9.9%	0.006	2.7%–11.6%