Table 3.
Comparisons of the numbers of CT-identified lesions for each thoracotomy and the pathologic findings, including Kendall Tau-b correlation coefficients where possible, with subanalyses by time period (top), number of CT lesions (middle), and slice thickness (bottom).
| CT Predicted # of mets | CT Underestimated | Total Operations | Kendall Tau Coeff. | |||
|---|---|---|---|---|---|---|
| Viable Mets | Total Mets | |||||
|
| ||||||
| Date Of Surgery | Entire 20 years | 105 | 34 (21.1%) | 56 (34.8%) | 161 | 0.506 |
| 1996-2005 | 47 | 17 (23.6%) | 25 (34.7%) | 72 | 0.470 | |
| 2006-2015 | 58 | 17 (19.1%) | 31 (34.8%) | 89 | 0.522 | |
|
| ||||||
| Lesions On CT | 0 mets on CT | 5 | 3 (27.3%) | 6 (54.5%) | 11 | NA |
| 1 met on CT | 33 | 8 (16.7%) | 15 (31.3%) | 48 | NA | |
| >1 mets on CT | 67 | 23 (22.5%) | 35 (34.3%) | 102 | 0.360 | |
|
| ||||||
| CT Slice Size | 1.25 mm | 18 | 9 (28.1%) | 14 (43.8%) | 32 | 0.446 |
| 5 mm | 87 | 25 (19.4%) | 42 (32.6%) | 129 | 0.524 | |