From: Relationship of hypoxia-inducible factor 1α and p21WAF1/CIP1 expression to cell apoptosis and clinical outcome in patients with gastric cancer
p21-negative tumor (%)
P value
Lymph node metastasis
Negative
36/75(48.0)
0.022
Positive
35/51(68.6)
Liver metastasis
68/122(55.7)
0.447
3/4(75.0)
Peritoneal dissemination
62/112(55.4)
0.525
9/14(64.3)