Table 5 Recurrence patterns of cT1 NSCLC with PSN and SN
| Â | Total Number | SN | PSN | Ratio c | P1 | P2 | ||||
|---|---|---|---|---|---|---|---|---|---|---|
Number | Incidence a | Percentage b | Number | Incidence a | Percentage b | |||||
Recurrence patterns | 143 | 117 | 17.59% | 100.00% | 26 | 2.71% | 100.00% | 6.49 | < 0.001 | / |
Locoregional only | 18 | 14 | 2.11% | 11.97% | 4 | 0.42% | 15.38% | 5.02 | 0.003 | 0.743 |
Locoregional + distant | 36 | 33 | 4.96% | 28.21% | 3 | 0.31% | 11.54% | 16.00 | < 0.001 | 0.128 |
Distant only | 83 | 65 | 9.77% | 55.56% | 18 | 1.88% | 69.23% | 5.20 | < 0.001 | 0.290 |
Unclear | 6 | 5 | 0.75% | 4.27% | 1 | 0.10% | 3.85% | / | / | / |
Sites of locoregional recurrence | Â | Â | Â | Â | Â | Â | Â | Â | ||
Ipsilateral lung | 31 | 26 | 3.91% | 22.22% | 5 | 0.52% | 19.23% | 7.52 | < 0.001 | 0.943 |
N1 lymph node | 11 | 11 | 1.65% | 9.40% | 0 | 0 | 0 | / | < 0.001 | 0.215 |
N2 lymph node | 35 | 33 | 4.96% | 28.21% | 2 | 0.21% | 7.69% | 23.62 | < 0.001 | 0.041 |
Sites of distant recurrence | Â | Â | Â | Â | Â | Â | Â | Â | Â | |
Bone | 43 | 36 | 5.41% | 30.77% | 7 | 0.73% | 26.92% | 7.41 | < 0.001 | 0.88 |
Brain | 26 | 22 | 3.31% | 18.80% | 4 | 0.42% | 15.38% | 7.88 | < 0.001 | 0.786 |
Contralateral lung | 27 | 22 | 3.31% | 18.80% | 5 | 0.52% | 19.23% | 6.37 | < 0.001 | 1 |
Pleura | 24 | 20 | 3.01% | 17.09% | 4 | 0.42% | 15.38% | 7.17 | < 0.001 | 1 |
Liver | 12 | 11 | 1.65% | 9.40% | 1 | 0.10% | 3.85% | 16.50 | < 0.001 | 0.695 |
Lymph node | 9 | 7 | 1.05% | 5.98% | 2 | 0.21% | 7.69% | 5.00 | 0.037 | 0.667 |
Other sites | 7 | 7 | 1.05% | 5.98% | 0 | 0 | 0 | / | 0.002 | 0.350 |