Characteristic | Number | Univariate | Multivariate | ||||
---|---|---|---|---|---|---|---|
HR | 95Â % CI | P value | HR | 95Â % CI | P value | ||
Local recurrence-free survival | |||||||
Location | Â | Â | Â | Â | Â | Â | Â |
 Upper | 22 | ref |  |  | ref |  |  |
 Middle-Lower | 55 | 0.95 | 0.41–2.16 | 0.894 | 1.13 | 0.49–2.60 | 0.777 |
cT factor | Â | Â | Â | Â | Â | Â | Â |
 1–2 | 43 | ref |  |  | ref |  |  |
 3–4 | 34 | 2.01 | 0.94–4.32 | 0.072 | 1.89 | 0.87–4.12 | 0.107 |
uT factor | Â | Â | Â | Â | Â | Â | Â |
 1 | 67 | ref |  |  | ref |  |  |
 2 | 10 | 2.55 | 0.95–6.86 | 0.065 | 1.21 | 0.42–3.46 | 0.725 |
Circumferential spread | Â | Â | Â | Â | Â | Â | Â |
  < 1/4 | 45 | ref |  |  | ref |  |  |
 1/4 ≤ | 32 | 3.38 | 1.54–7.41 | 0.002 | 3.10 | 1.35–7.15 | 0.008 |
Overall survival | |||||||
age | Â | Â | Â | Â | Â | Â | Â |
  ≤ 65 | 39 | ref |  |  | ref |  |  |
  > 65 | 38 | 1.20 | 0.67–2.16 | 0.540 | 1.44 | 0.77–2.68 | 0.250 |
Location | Â | Â | Â | Â | Â | Â | Â |
 Upper | 22 | ref |  |  | ref |  |  |
 Middle-Lower | 55 | 0.91 | 0.48–1.74 | 0.779 | 1.14 | 0.57–2.28 | 0.721 |
cT factor | Â | Â | Â | Â | Â | Â | Â |
 1–2 | 43 | ref |  |  | ref |  |  |
 3–4 | 34 | 2.01 | 1.12–3.62 | 0.020 | 1.96 | 0.98–3.92 | 0.055 |
Lymph node metastasis | Â | Â | Â | Â | Â | Â | Â |
 Absent | 47 | ref |  |  | ref |  |  |
 Present | 30 | 1.59 | 0.88–2.88 | 0.123 | 1.14 | 0.58–2.27 | 0.701 |
uT factor | Â | Â | Â | Â | Â | Â | Â |
 1 | 67 | ref |  |  | ref |  |  |
 2 | 10 | 3.02 | 1.43–6.40 | 0.004 | 2.15 | 0.89–5.21 | 0.089 |
Circumferential spread | Â | Â | Â | Â | Â | Â | Â |
  < 1/4 | 45 | ref |  |  | ref |  |  |
 1/4 ≤ | 32 | 1.62 | 0.90–2.90 | 0.108 | 1.30 | 0.66–2.55 | 0.447 |