Table 4.

Age, sex, and antibodies as risk factors for cancer (multivariate analysis)^*

Covariates in model	OR (95% CI)	P
Anti–NXP-2, age, sex
Age, per year	1.06 (1.03–1.09)	0.0002
Male	2.7 (1.1–6.4)	0.025
Anti–NXP-2	2.5 (0.9–6.7)	0.069
Anti–TIF-1γ, age, sex
Age, per year	1.06 (1.02–1.09)	0.0005
Male	3.0 (1.3–7.0)	0.012
Anti–TIF-1γ	1.6 (0.7–3.8)	0.29
Anti–NXP-2 or anti–TIF-1γ, age, sex
Age, per year	1.05 (1.02–1.08)	0.0013
Male	2.9 (1.2–6.9)	0.018
Anti–NXP-2 or anti–TIF-1γ	3.8 (1.3–10.8)	0.013
Age, anti–NXP-2 (males only)
Anti–NXP-2	5.8 (1.4–24.7)	0.018
Age, per year	1.05 (1.01–1.10)	0.018
Age, anti–NXP-2 (females only)
Anti–NXP-2	1.1 (0.2–5.4)	0.95
Age, per year	1.06 (1.02–1.11)	0.006

^*OR = odds ratio; 95% CI = 95% confidence interval (see Table 2 for other definitions).