Variable | LR-FFS | D-FFS | FFS | OS | ||||
---|---|---|---|---|---|---|---|---|
HR (95 % CI) | P * | HR (95 % CI) | P * | HR (95 % CI) | P * | HR (95 % CI) | P * | |
Sex, female vs. male | 0.68 (0.34–1.38) | .290 | 0.82 (0.46–1.42) | .459 | 0.82 (0.52–1.29) | .384 | 0.77 (0.37–1.63) | .499 |
Age, ≥50 vs. <50 years | 1.27 (0.69–2.32) | .445 | 1.44 (0.87–2.37) | .155 | 1.60 (1.08–2.37) | .020 | 2.44 (1.29–4.60) | .006 |
T classification | 1.51 (1.11–2.07) | .009 | 1.32 (1.03–1.70) | .029 | 1.33 (1.08–1.64) | .007 | 1.60 (1.12–2.28) | .009 |
Positive RLNs, (+) vs. (−) | 1.70 (0.77–3.73) | .185 | 1.43 (0.76–2.70) | .266 | 1.55 (0.94–2.58) | .089 | 1.17 (0.53–2.57) | .694 |
Positive CLNs, (+) vs. (−) | 2.16 (1.20–3.89) | .010 | 2.35 (1.40–3.96) | .001 | 2.01 (1.34–3.04) | .001 | 2.76 (1.44–5.32) | .002 |
Positive CLNs at SCF, (+) vs. (−) | 1.16 (0.27–5.04) | .846 | 3.00 (1.24–7.18) | .014 | 2.12 (0.96–4.71) | .064 | 2.69 (0.79–9.12) | .113 |
Chemotherapy, (+) vs. (−) | 1.14 (0.38–3.41) | .816 | 1.18 (0.48–2.91) | .719 | 0.89 (0.46–1.71) | .717 | 0.52 (0.20–1.34) | .174 |
Irradiation of level Ib, (+) vs. (−) | 1.68 (0.88–3.19) | .114 | 1.43 (0.82–2.49) | .207 | 1.31 (0.83–2.05) | .247 | 0.88 (0.39–1.95) | .744 |