Table 2. Clinical and tumor characteristics of patients with LS-SCCE receiving surgical and non-surgical treatment.
| Characteristic | Before matching | After matching | |||||
|---|---|---|---|---|---|---|---|
| S + NCT (n=312) | CRT (n=171) | P | S + NCT (n=156) | CRT (n=156) | P | ||
| Sex | 0.58 | 0.90 | |||||
| Female | 91 (29.2) | 45 (26.3) | 39 (25.0) | 37 (23.7) | |||
| Male | 221 (70.8) | 126 (73.7) | 117 (75.0) | 119 (76.3) | |||
| Age, years | 0.02 | >0.99 | |||||
| ≤60 | 150 (48.1) | 62 (36.3) | 62 (39.7) | 62 (39.7) | |||
| >60 | 162 (51.9) | 109 (63.7) | 94 (60.3) | 94 (60.3) | |||
| Tumor location | >0.99 | 0.63 | |||||
| Proximal/middle third | 212 (67.9) | 117 (68.4) | 110 (70.5) | 105 (67.3) | |||
| Distal third | 100 (32.1) | 54 (31.6) | 46 (29.5) | 51 (32.7) | |||
| T | <0.001 | >0.99 | |||||
| T1/2 | 152 (48.7) | 50 (29.2) | 50 (32.1) | 50 (32.1) | |||
| T3/4 | 160 (51.3) | 121 (70.8) | 106 (67.9) | 106 (60.9) | |||
| N | <0.001 | >0.99 | |||||
| N0 | 133 (42.6) | 41 (24.0) | 41 (26.3) | 41 (26.3) | |||
| N+ | 179 (57.4) | 130 (76.0) | 115 (73.7) | 115 (73.7) | |||
Data are presented as n (%). LS-SCCE, limited-stage small cell carcinoma of the esophagus; S, upfront surgery; NCT, neoadjuvant chemotherapy; CRT, chemoradiotherapy.