Table 1 Correlation between the clinicopathologic features and expression of Bmi-1 protein
From: Prognostic relevance of Bmi-1 expression and autoantibodies in esophageal squamous cell carcinoma
Characteristics | Bmi-1 expression | P | |
|---|---|---|---|
| Â | No or low | High | Â |
Age(y) | 55.8 ± 10.4 | 57.6 ± 9.9 | 0.576 |
Gender | Â | Â | Â |
   Male | 61(47.3) | 68(52.7) | 0.970 |
   Female | 20(47.6) | 22(52.4) |  |
Stage | Â | Â | Â |
   I-IIa | 50(58.8) | 35(41.2) | 0.003 |
   IIb-IV | 31 (36.0) | 55(64.0) |  |
Histological differentiation | Â | Â | Â |
   Well | 31(56.4) | 24(43.6) |  |
   Moderate | 29(40.3) | 43(59.7) | 0.315 |
   Poor | 21(47.7) | 23(52.3) |  |
Tumor diameter | Â | Â | Â |
   <40 mm | 29(40.3) | 43(59.7) | 0.115 |
   ≥40 mm | 52(52.5) | 47(47.5) |  |
Depth of invasion | Â | Â | Â |
   Submucosa | 6(50.0) | 6(50.0) | 0.782 |
   Muscularis propria | 28(48.3) | 30(51.7) |  |
   Adventitia | 47(46.5) | 54(53.5) |  |
pT classification | Â | Â | Â |
   T1 ~ T2 | 32(54.2) | 27(45.8) | 0.194 |
   T3 ~ T4 | 49(43.8) | 63(56.3) |  |
pN classification | Â | Â | Â |
   YES | 30(39.0) | 47(61.0) | 0.047 |
   NO | 51(54.3) | 43(45.7) |  |
pMetastasis | Â | Â | Â |
   YES | 5(55.6) | 4 (44.4) | 0.616 |
   NO | 76(46.9) | 86 (53.1) |  |