Table I.
Patient characteristics.
| Characteristics | Radioactive seed implant group (n=12) | Conventional radiotherapy group (n=11) | P-value |
|---|---|---|---|
| Age | 0.263 | ||
| Range, years | 44–69 | 37–73 | |
| Mean ± SD, years | 57.92±7.57 | 53.00±12.55 | |
| Sex | 0.901 | ||
| Male | 9 | 8 | |
| Female | 3 | 3 | |
| Histology | 0.624 | ||
| Squamous | 4 | 6 | |
| Adenocarcinoma | 6 | 4 | |
| Adenosquamous | 2 | 1 | |
| Adenosquamous | 0 | 0 | |
| Carcinoma | |||
| TNM classificationa | 0.572 | ||
| IIA | 2 | 3 | |
| IIB | 1 | 2 | |
| IIIA | 9 | 6 | |
| Classification of tumor | 0.879 | ||
| T-R2 type | 4 | 4 | |
| N-R2 type | 8 | 7 | |
| Size of tumorb, cm3 | 66.42±70.41 | 100.45±208.03 | 0.598 |
| Chemotherapy regimen | 0.481 | ||
| GEM+DDP | 3 | 5 | |
| PC | 5 | 3 | |
| Other | 4 | 3 |
a
Union for International Cancer Control tumor-node-metastasis staging system
b
Mean ± SD. SD, standard deviation; GEM, gemcitabine; DDP, cisplatin; PC, pemetrexed andcarboplatin; N-R2 type, complete resection of primary tumor but incomplete resection of metastatic regional lymph node with macroscopic residual tumor; T-R2 type, incomplete resection, with macroscopic residual primary tumor, but complete dissection of regional lymph node.