Table 2.
Median overall survival separated based on receipt of adjuvant chemotherapy. Hazard ratios showing risk of death with receipt of adjuvant chemotherapy compared to postoperative observation
Median Overall Survival (Months) | Multivariate analysis | ||||
Group | NACRT | NACRT + AC | P | Hazard Ratio | P |
Overall Cohort | 36.5 (35.3 - 38.3) | 35.5 (31.1 - 43.0) | 0.380 | 0.77 (0.66 – 0.89) | <0.001 |
cN+/pN+ | 22.7 (20.9 - 24.6) | 27.8 (24.2 - 32.6) | 0.010 | 0.82 (0.67 - 1.00) | 0.048 |
cN+/pN0 | 43.7 (40.5 - 50.7) | 64.4 (41.9 - NR) | 0.019 | 0.59 (0.39 - 0.88) | 0.009 |
cN0/pN+ | 24.9 (21.7 - 27.3) | 31.4 (24.5 - 43.5) | 0.077 | 0.76 (0.54 - 1.06) | 0.105 |
cN0/pN0 | 49.1 (43.6 - 55.4) | 48.3 (35.7 - NR) | 0.253 | 0.73 (0.41-1.30) | 0.253 |
AC, adjuvant chemotherapy; HR, hazard ratio; NACRT, neoadjuvant chemoradiotherapy; NR, not reached.