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. 2014 Jul;35(7):1381–1386. doi: 10.3174/ajnr.A3864

Table 1:

Analysis of classification errors: training setsa

MS vs HC MS vs OND OND vs HC
Sen % 70.37 70.37 45
95% CI (Sen) 58.19–82.55 58.19–82.55 23.20–66.80
Spe % 70.97 55 70.97
95% CI (Spe) 54.99–86.95 33.20–76.80 54.99–86.95
FP % 29.03 45 29.03
95% CI (FP) 13.03–45.01 23.20–66.80 13.05–45.01
FN % 29.63 29.63 55
95% CI (FN) 17.45–41.81 17.45–41.81 33.20–76.80
PPV % 80.85 80.85 50
95% CI (PPV) 69.60–92.10 69.60–92.10 26.90–73.10
NPV % 57.89 40.74 67
95% CI (NPV) 42.20–73.59 22.21–59.27 50.58–82.75
OR 5.81 2.90 2
95% CI (OR) 2.20–15.33 1.01–8.34 0.62–6.47

Note—Sen indicates sensitivity; Spe, specificity; FP, false-positive; FN, false-negative; NPV, negative predictive value; PPV, positive predictive value.

a

The columns refer to each comparison between the observed (ie, training) groups.