Gastric cancer in Alaska Native people: A cancer health disparity

Table 4 Multivariable Cox regression analysis for variables associated with overall survival

	HR	95%CI	P1 value
AJCC stage			0.004
I	1.00
II	1.59	0.74-3.32
III	3.09	1.32-7.27
IV	3.08	1.53-6.19
Treatment			0.007
Chemotherapy	1.00
None	2.80	1.57-5.00
Neoadjuvant, surgery	0.28	0.10-5.31
Surgery only	0.48	0.15-12.61
Surgery, adjuvant	0.19	0.06-5.17
Neoadjuvant, surgery, adjuvant	0.18	0.5-5.31
Blood type			0.160
A+	1.00
AB+	0.81	0.34-2.23
B+	1.01	0.45-2.24
O+	1.40	0.84-2.54
Unknown	0.63	0.31-1.17
Chronic gastritis, yes vs no	1.01	0.59-1.69	0.970

¹Bold type indicates statistical significance (P < 0.05). HR: Hazard ratio; CI: Confidence interval; AJCC: American Joint Committee on Cancer.