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Table 2 Correlations between STAT1 expression and various clinicopathologic parameters in ESCC

From: The clinical and biological significance of STAT1 in esophageal squamous cell carcinoma

Parameter   Case number STAT1 expression by IHC   Result
Negative/Weak Strong
Age ≤57 66 31 35 p = 0.337
>58 65 36 29
Gender Male 98 49 49 p = 0.653
Female 33 18 15
Tumor site Upper 13 8 5 p = 0.572
Middle 104 51 53
lower 14 8 6
Differentiation Poor 12 10 2 p = 0.074
Intermediate 75 37 38
Well 44 20 22
Tumor size >5 cm 82 48 34 p = 0.029*
<5 cm 49 19 30
Depth of invasion T1-T2 103 48 55 p = 0.047*
T3-T4 28 19 9
Lymph metastasis Yes 68 32 36 p = 0.286
No 63 35 27
Clinical stage 1 6 4 2 p = 0.257
2 55 30 23
3 64 32 32
4 6 1 5
  1. *p<0.05.