Research Article

Expression of Cancer Stem Cell Marker CD44 and Its Polymorphisms in Patients with Chronic Gastritis, Precancerous Gastric Lesion, and Gastric Cancer: A Cross-Sectional Multicenter Study in Thailand

Table 3

Clinicopathological characteristics of gastric cancer associated with CD44 expression (univariate Cox regression model analysis).

Clinicopathological characteristics of gastric cancer ( = 62) Expression of CD 44 protein (%)OR (95% CI) value
NegativePositive

Location of tumor (%)
 (i) Upper5.1210.250.62 (0.48–0.87)0.724
  (ii) Middle10.2515.380.87 (0.64–1.09)0.953
  (iii) Lower7.6958.844.69 (2.01–6.48)0.01
Tumor size (%)
 (i) ≥70 mm7.6948.715.74 (3.18–8.29)0.01
 (ii) ≤70 mm20.5123.070.54 (0.42–0.76)0.834
Histologic type (%)
 (i) Differentiated23.0717.940.73 (0.59–0.92)0.524
 (ii) Undifferentiated5.1253.848.29 (6.38–12.19)0.01
Lymphatic invasion (%)
  (i) Absent41.027.694.21 (1.29–7.74)0.02
  (ii) Present12.8238.463.39 (1.69–5.58)0.03
Vascular invasion (%)
  (i) Absent30.7620.510.79 (0.62–1.38)0.497
  (ii) Present25.6423.070.59 (0.42–1.18)0.326
Pathological T stage (%)
  (i) T1-T230.7628.200.82 (0.63–1.13)0.284
  (ii) T3-T420.5146.152.19 (1.02–6.29)0.03
Pathological TNM stage (%)
  (i) I7.695.120.92 (0.76–1.32)0.562
  (ii) II17.9712.820.72 (0.51–1.15)0.481
  (iii) III5.1228.024.49 (1.12–7.84)0.01
  (iv) IV2.5620.513.32 (1.45–5.890)0.02
Residual tumor [ = 29] (%)
  (i) No58.9715.382.89 (1.07–4.69)0.03
  (ii) Microscopic2.5610.251.54 (1.01–4.43)0.04
  (iii) Gross (unresectable)5.127.690.74 (0.53–0.91)0.624
CEA (%)
 (i) <5.0 (ng/ml)28.0233.330.69 (0.58–1.42)0.573
 (ii) ≥5.0 (ng/ml)17.9420.510.98 (0.75–1.54)0.782
5 years survival
(available = 149) (%)
55.0314.762.83 (1.98–5.62)0.02

Univariate Cox regression model analysis used to analyze the data. OR, odds ratio; CI, confidence interval. Significance is set at < 0.05.