Table 4 Frozen and permanent section analyses of different patient subgroups
From: Frozen section analysis and sentinel lymph node biopsy in well differentiated thyroid cancer
Type of analysis | N | sensitivity | 95% CI | specificity | 95% CI | PPV | 95% CI | NPV | 95% CI | p-value |
|---|---|---|---|---|---|---|---|---|---|---|
FS sum | 300 | 68.8 | 53.6-80.9 | 100 | 98.1-100 | 100 | 87.0-100 | 94.4 | 90.7-96.7 | <0.0001 |
PS sum | 300 | 89.6 | 76.6-96.1 | 100 | 98.1-100 | 100 | 89.8-100 | 98.1 | 95.3-99.3 | <0.0001 |
FS, fnac (+) | 138 | 70.7 | 54.3-83.4 | 100 | 95.3-100 | 100 | 85.4-100 | 89.0 | 81.2-93.9 | <0.0001 |
PS, fnac (+) | 138 | 90.2 | 75.9-96.8 | 100 | 95.3-100 | 100 | 88.3-100 | 96.0 | 89.6-98.7 | <0.0001 |
FS, fnac (−) | 162 | 57.1 | 20.2-88.2 | 100 | 97.0-100 | 100 | 39.6-100 | 98.1 | 94.1-99.5 | <0.0001 |
PS, fnac (−) | 162 | 85.7 | 42.0-99.2 | 100 | 97.0-100 | 100 | 51.7-100 | 99.4 | 95.9-100 | <0.0001 |