Table 3

The positive and negative predictive value of nodal metastasis following imaging exams among various baseline possibilities of neck nodal metastasis
Imaging Modalities Baseline possibility of neck nodal metastasis Positive predictive value* Negative predictive value&
CT 10% 47% 95%
20% 66% 89%
30% 77% 82%
MRI 10% 27% 95%
20% 46% 90%
30% 59% 84%
PET 10% 36% 96%
20% 56% 91%
30% 69% 86%
US 10% 25% 95%
20% 42% 90%
30% 56% 84%

*: Possibility of neck nodal metastasis following a “positive” imaging result.

&: Possibility of “absent” neck nodal metastasis following a “negative” imaging result.

Liao et al.

Liao et al. BMC Cancer 2012 12:236   doi:10.1186/1471-2407-12-236

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