Original Article
Copyright ©2013 Baishideng Publishing Group Co.
World J Radiol. Jun 28, 2013; 5(6): 229-240
Published online Jun 28, 2013. doi: 10.4329/wjr.v5.i6.229
Table 2 χ2 test results
χ2Estimate95%CI
Sensitivity0.8610.639-0.956
Specificity0.5000.055-0.945
PPV0.9690.759-0.997
NPV0.1670.018-0.69
LR+1.7220.240-12.334
LR-0.2780.029-2.696