Table I.
Variable | Patients | Mean ± SD | P-value |
---|---|---|---|
Age (years) | 0.528 | ||
≥60 | 52 | 4.64±1.58 | |
<60 | 10 | 5.26±1.68 | |
Sex | 0.744 | ||
Male | 43 | 4.91±1.51 | |
Female | 19 | 4.35±1.76 | |
Tumor size (cm) | 0.867 | ||
≤3 | 25 | 4.51±1.78 | |
>3 | 37 | 4.89±1.47 | |
Pathological differentiation grade | 0.609 | ||
Well | 6 | 4.75±1.53 | |
Moderately | 35 | 4.74±1.55 | |
Poorly | 21 | 4.72±1.77 | |
T stage | 0.471 | ||
T1-2 | 30 | 4.37±1.61 | |
T3-4 | 32 | 5.08±1.54 | |
N stage | 0.029 | ||
N0 | 38 | 4.20±1.56 | |
N1 | 24 | 5.59±1.27 | |
TNM stage | 0.036 | ||
I–II | 43 | 4.23±1.54 | |
III–IV | 19 | 5.87±1.07 |
SD, standard deviation; ECM, extracellular matrix; TNM, tumor, node, metastasis; ESCC, esophageal squamous cell carcinoma.