Table 2:

Comparison of lesion detectability according to the types of MR images and enhancing lesion size

Wave-T1-SPACEStandard SPACEPa
No. of enhancing lesions (<5 mm) (mean)
    Observer 11.61 (SD, 0.29)2.84 (SD, 0.47)<.001
    Observer 21.41 (SD, 0.19)2.68 (SD, 0.43)<.001
    Interobserver agreementb0.72 (0.59–0.84)0.81 (0.74–0.88)<.001
No. of enhancing lesions (>5 mm) (mean)
    Observer 11.34 (SD, 0.28)1.32 (SD, 0.27).66
    Observer 21.29 (SD, 0.27)1.29 (SD, 0.27).26
    Interobserver agreementb0.95 (0.91–1.00)1.00 (0.99–1.00)<.001

  • ↵a P values derived from the Wilcoxon signed-rank test.

  • ↵b Values were calculated using κ statistics and numbers in parentheses are 95% CIs.