. 2003 Feb 15;9(2):246–249. doi: 10.3748/wjg.v9.i2.246

Table 1.

The expression of COX-2 protein in gastric cancer

Grope	n	Cells expressed COX-2 (^-x ± s)%
Gastric cancer	32	67.51 ± 21.11^a
Normal gastric mucosa	32	12.41 ± 8.16
Gastric cancer with cagA⁺ Hp	19	73.82 ± 18.2^b
Gastric cancer without cagA⁺ Hp	13	35.92 ± 22.1

P < 0.001 vs normal gastric mucosa;

P < 0.001 vs without cagA⁺ Hp group.