Table 4.

Impact on survival of zinc serum level depending on GPX1 polymorphism (multivariable Cox regression).

GPX1 TC/TT (n = 128)				GPX1 CC (n = 172)
Tertiles	Number of Patients		vs.	Tertiles	Number of Patients
	Dead	Living			Dead	Living
ZnA	28	16		ZnA	22	33
ZnB	16	29		ZnB	21	33
ZnC	10	29		ZnC	19	44
ZnB vs. ZnC HR = 1.13; CI = 0.5–2.59; p = 0.76				ZnB vs. ZnC HR = 1.66; CI = 0.88–3.14; p = 0.118
ZnA vs. ZnC HR = 2.32; CI = 1.08–5.01; p = 0.03				ZnA vs. ZnC HR = 1.93; CI = 1.01–3.71; p = 0.047