Table 3. Colorectal adenoma SNP associations among the entire population and stratified by race/ethnicity.
Gene | SNP | All combined | Non-Hispanic White | African-American | Hispanic | Asian-Pacific Islander | Phet e |
NEIL2 | rs11785481 | 0.131 | |||||
Ca/Coa | 666/692 | 354/364 | 121/109 | 116/140 | 75/79 | ||
OR b | 0.70 | 0.64 | 0.60 | 1.29 | 0.25 | ||
95%CI | 0.55–0.90 | 0.48–0.87 | 0.24–1.53 | 0.72–2.31 | 0.05–1.37 | ||
pc | 0.006 | 0.004 | 0.286 | 0.387 | 0.111 | ||
pACT d | 0.139 | 0.089 | 1.000 | 1.000 | 0.806 | ||
FEN1 | rs108499 | 0.024 | |||||
Ca/Coa | 691/663 | 353/365 | 122/109 | 113/140 | 75/77 | ||
OR b | 1.06 | 0.95 | 0.67 | 1.09 | 2.12 | ||
95%CI | 0.90–1.25 | 0.76–1.18 | 0.37–1.21 | 0.76–1.57 | 1.30–3.45 | ||
pc | 0.516 | 0.635 | 0.185 | 0.641 | 0.002 | ||
pACT d | 1.000 | 1.000 | 0.645 | 1.000 | 0.009 | ||
APEX1 | rs17111750 | 0.004 | |||||
Ca/Coa | 695/664 | 354/367 | 121/110 | 114/140 | 75/78 | ||
OR b | 1.00 | 0.88 | 2.19 | 0.78 | 1.04 | ||
95%CI | 0.85–1.18 | 0.71–1.10 | 1.36–3.55 | 0.52–1.15 | 0.58–1.86 | ||
pc | 0.981 | 0.271 | 0.001 | 0.208 | 0.897 | ||
pACT d | 1.000 | 0.781 | 0.013 | 0.573 | 1.000 | ||
FEN1 | rs509360 | 697/665 | 0.052 | ||||
Ca/Coa | 697/665 | 353/367 | 122/111 | 116/140 | 74/79 | ||
OR b | 0.93 | 0.95 | 1.27 | 1.09 | 0.49 | ||
95%CI | 0.78–1.09 | 0.76–1.19 | 0.81–2.01 | 0.71–1.68 | 0.30–0.79 | ||
pc | 0.358 | 0.662 | 0.302 | 0.694 | 0.003 | ||
pACT d | 0.888 | 1.000 | 0.746 | 1.000 | 0.011 | ||
NTHL1 | rs2516781 | 0.062 | |||||
Ca/Coa | 688/664 | 353/363 | 122/108 | 115/140 | 74/77 | ||
OR b | 0.91 | 1.01 | 0.83 | 1.06 | 0.45 | ||
95%CI | 0.77–1.08 | 0.80–1.27 | 0.51–1.34 | 0.74–1.52 | 0.25–0.80 | ||
pc | 0.271 | 0.960 | 0.445 | 0.747 | 0.006 | ||
pACT d | 0.840 | 1.000 | 0.960 | 1.000 | 0.033 |
Excludes 21 individuals who characterized their race/ethnic group as "other";
Per-allele ORs and 95%confidence intervals computed using logistic regression assuming a log-additive model and adjusting for age, exam date, sex, clinic, study phase and race among all study participants;
Crude p-value;
Crude p-value corrected for multiple comparisons using PACT;
Race/ethnicity specific per-allele ORs and 95% confidence intervals computed using logistic regression assuming a log-additive model and adjusting for the matching factors age, exam date, sex, clinic, study phase; e p-value for heterogeneity by race.