TABLE 3.
Patient characteristics of PS matched cohort
| Variable | IC (n = 16) | IS (n = 16) | P | |
|---|---|---|---|---|
| Age, y, median (range) | 64 (51–74) | 64 (48–75) | 0.82 | |
| Sex, M/F | 13/3 | 13/3 | 1.00 | |
| Histology, Sq/Ad/AdSq | 7/8/1 | 9/6/1 | 0.85 | |
| Performance status, 0/1 | 13/3 | 13/3 | 1.00 | |
| c stage, IIB/IIIA/IIIB | 3/9/4 | 3/13/0 | 0.14 | |
| Involved structures | ||||
| cT3 | Chest wall | 7 | 9 | |
| Parietal pleura | 3 | 5 | ||
| Rib or muscle | 4 | 4 | ||
| Diaphragm | 0 | 1a | ||
| Pericardium | 0 | 2a | ||
| Mediastinal pleura | 2 | 0 | ||
| <2 cm carina | 1 | 0 | ||
| cT4 | Great vessel | 6a | 5 | |
| Esophagus | 1a | 0 | ||
| Superior sulcus | 2 | 0 | ||
| Operation type | 0.79 | |||
| Lobectomy | 13 | 12 | ||
| Sleeve lobectomy | 1 | 0 | ||
| Bilobectomy | 1 | 1 | ||
| pneumonectomy | 1 | 3 | ||
| Period of treatment, y, 1997–2003/2004–2009 | 7/9 | 9/7 | 0.72 | |
| Combined resection, yes/no | 14/2 | 15/1 | 1.00 | |
| Chest wall | 6 | 9b | ||
| Parietal pleura | 2 | 6 | ||
| Rib or muscle | 4 | 3 | ||
| Diaphragm | 0 | 4b | ||
| Pericardium | 0 | 1b | ||
| Mediastinal pleura | 4 | 1b | ||
| Great vessel | 4 | 3 | ||
PS propensity score, IC induction chemoradiotherapy, IS initial surgery, Sq squamous cell carcinoma, Ad adenocarcinoma, AdSq adenosquamous carcinoma
a Multiple structures were involved: diaphragm with pericardium (n = 1), great vessel with esophagus (n = 1)
b Multiple structures were resected; chest wall with diaphragm (n = 1), with diaphragm and great vessel (n = 1), diaphragm with pericardium (n = 1)