NAT2 polymorphism in Omani gastric cancer patients-risk predisposition and clinicopathological associations

Table 5 Association between NAT2 phenotype and clinicopathological characteristics in 100 gastric cancer patients

Characteristics	Slow	Intermediate and rapid	P
Age
Less than 40 yr	8	64	0.1
More than 41 yr	0	28
Sex			0.7
Male	39	17
Female	33	11
Location			0.8
Distal	41	17
Non-distal	31	11
Histologic type			0.7
Intestinal	37	16
Non-intestinal	35	12
T stage+			0.1
T1 + T2	11	7
T3 + T4	47	13
N stage+			0.7
Negative	52	7
Positive	16	3
Overall stage1			0.6
I+II	12	6
III + IV	60	22

+T and N staging was available in 78 patients were surgical resection was done.

¹Stage IV diagnosis was based on clinical staging in presence of metastatic disease.