Variables | No. of patients (LG/HG) | DFS | OS | ||||
---|---|---|---|---|---|---|---|
Progression no. (%) (LG/HG) | Multivariate analysis | P value | Death no. (%) (LG/HG) | Multivariate analysis | P value | ||
Age | Â | Â | Â | Â | Â | Â | Â |
 <60 | 149/32 | 86 (57.7)/24 (75.0) | 1.94 (1.21–3.10) | 0.006 | 71 (47.7)/24 (75.0) | 2.41 (1.49–3.90) | 0.0004 |
 ≥60 | 138/25 | 89 (64.5)/21 (84.0) | 1.40 (0.85–2.32) | 0.187 | 81 (58.7)/20 (80.0) | 1.27 (0.76–2.14) | 0.360 |
Sex | Â | Â | Â | Â | Â | Â | Â |
 Male | 246/49 | 153 (62.2)/41(83.7) | 1.76 (1.24–2.51) | 0.002 | 133 (54.1)/40 (81.6) | 1.89 (1.32–2.71) | 0.0005 |
 Female | 41/8 | 22 (53.7)/4 (50) | 0.62 (0.16–2.32) | 0.474 | 19 (46.3)/4 (50.0) | 074 (0.19–2.90) | 0.660 |
Smoking | Â | Â | Â | Â | Â | Â | Â |
 Never | 100/22 | 56 (56.0)/16 (72.7) | 1.54 (0.86–1.74) | 0.146 | 45 (45.0)/16 (72.7) | 1.74 (0.96–3.17) | 0.069 |
 Yes | 187/35 | 119 (63.6)/29 (82.9) | 1.71 (1.12–2.60) | 0.012 | 107 (57.2)/28 (80.0) | 1.77 (1.16–2.72) | 0.008 |
Drinking | Â | Â | Â | Â | Â | Â | Â |
 No | 143/28 | 82 (57.3)/21 (75) | 1.74 (1.05–2.87) | 0.032 | 72 (50.4)/20 (71.4) | 1.87 (1.11–3.15) | 0.018 |
 Yes | 144/29 | 93 (64.6)/24 (82.8) | 1.74 (1.08–2.80) | 0.022 | 80 (55.6)/24 (82.8) | 1.93 (1.20–3.12) | 0.007 |
Vessel invasion | Â | Â | Â | Â | Â | Â | Â |
 No | 207/36 | 114 (55.1)/28 (77.8) | 2.38 (1.56–3.63) | <0.001 | 96 (46.4)/26 (72.2) | 2.07 (1.33–3.22) | 0.001 |
 Yes | 80/21 | 61 (76.3)/17 (81.0) | 1.12 (0.64–2.95) | 0.699 | 56 (70.0)/28 (85.7) | 1.61 (0.92–2.83) | 0.098 |
Neural invasion | Â | Â | Â | Â | Â | Â | Â |
 No | 214/40 | 129 (60.3)/32 (80.0) | 1.72 (1.16–2.55) | 0.007 | 111 (51.9)/30 (75.0) | 1.71 (1.13–1.58) | 0.011 |
 Yes | 73/17 | 46 (63.0)/13 (76.5) | 1.29 (0.64–2.59) | 0.477 | 41 (56.2)/14 (82.4) | 1.54 (0.75–3.16) | 0.241 |
TNM stage | Â | Â | Â | Â | Â | Â | Â |
 II | 96/20 | 43 (44.8)/15 (75.0) | 2.06 (1.14–3.72) | 0.006 | 38 (39.6)/14 (70) | 2.40 (1.29–4.45) | 0.006 |
 III | 191/37 | 132 (69.1)/30 (81.1) | 1.44 (0.95–2.17) | 0.084 | 114 (59.7)/30 (81.1) | 1.62 (1.07–2.45) | 0.024 |
Lymphadenectomy | Â | Â | Â | Â | Â | Â | Â |
 Two fields | 237/44 | 138 (58.2)/34 (77.3) | 1.67 (1.13–2.45) | 0.009 | 119 (50.2)/34 (77.3) | 1.99 (1.34–1.94) | 0.006 |
 Three fields | 50/13 | 37 (74.0)/11 (84.6) | 2.17 (1.00–4.74) | 0.051 | 33 (66.0)/10 (76.9) | 1.59 (0.72–3.52) | 0.256 |