Table 1.
Variables | Surgery alone | NeoadjuvantCRT | Significance |
Patients | 108 | 190 | |
Sex | NS | ||
Male | 86 (80.0) | 151 (79.4) | |
Female | 22 (20.0) | 39 (20.6) | |
Age (yr) | 63.6 | 60.1 | P < 0.01 |
< 50 | 11 (10.2) | 38 (20.0) | |
50-70 | 65 (60.2) | 124 (65.3) | |
> 70 | 32 (29.6) | 18 (14.7) | |
Histological subtype | 0.871 | ||
Squamous cell carcinoma | 55 (51.0) | 100 (52.6) | |
Adenocarcinoma | 53 (49.0) | 90 (47.4) | |
No. of resected LNs (median, range) | 30 (3-74) | 27 (4-55) | P = 0.007 |
pN category | P < 0.001 | ||
pN0 | 27 (25.0) | 98 (51.6) | |
pN1 | 81 (75.0) | 92 (48.5) | |
LN ratio | P < 0.001 | ||
pN0 | 27 (25.0) | 98 (51.6) | |
LN ratio < 0.2 | 52 (48.1) | 69 (36.3) | |
LN ratio ≥ 0.2 | 29 (26.9) | 23 (12.1) | |
pM1 organ | 11 (10.1) | 8 (4.2) | NS |
R category | NS | ||
R0 | 98 (92.6) | 179 (94.2) | |
R1/R2 | 10 (7.4) | 11 (5.8) | |
Response after neoadjuvant therapy | |||
Minor response | - | 112 (59.0) | |
Major response | - | 78 (41.0) |
LN: Lymph node; CRT: Chemoradiotherapy; NS: Not significant.