Table 2

Sensitivity and specificity estimates for each subgroup

SubgroupNumber of studiesMean SEN (%)Mean SPE (%)DORAUC (%)
b value (s/m2)
 300490 (80 to 96)88 (83 to 93)47 (11 to –190)91 (88 to 95)
 500692 (86 to 96)82 (77 to 86)53 (12 to 239)93 (90 to 96)
 1000488 (81 to 93)93 (84 to 98)115 (30 to 446)96 (93 to 99)
Magnetic field strength (T)
 1.0185100NANA
 1.51389 (85 to 93)88 (85 to 91)64 (26 to 156)95 (91 to 99)
 3.0190100NANA
Study design
 Retrospective891 (86 to 94)83 (78 to 88)33 (13 to 85)93 (89 to 97)
 Prospective787 (81 to 92)98 (94 to 99)153 (76 to 446)97 (95 to 99)
Blinding
 Yes990 (85 to 93)88 (83 to 92)69 (32 to 147)95 (93 to 97)
 Unknown or no688 (79 to 94)90 (85 to 94)66 (12 to 365)94 (89 to 98)
  • The numbers in parentheses are the 95% CIs.

  • AUC, area under the curve; DOR, diagnostic OR; NA, not applicable; SEN, sensitivity; SPE, specificity.