. 2012 Dec 10;37(4):383–391. doi: 10.1111/apt.12180

Table 1.

Meta-analyses of prospective studies on interaction between NAT1 or NAT2 phenotypes respectively and meat intake in relation to risk of colorectal cancer

	Low meat intake OR (95% CI)	Medium meat intake OR (95% CI)	High meat intake OR (95% CI)	P-value^‡
NAT 1^*
Slow acetylator	1 (ref)	.92 (0.70–1.23)	1.02 (0.76–1.38)
Fast acetylator	.87 (0.66–1.14)	.82 (0.63–1.07)	.87 (0.66–1.15)	.95
NAT 2^†
Slow acetylator	1 (ref)	.99 (0.77–1.29)	.96 (0.74–1.24)
Fast acetylator	.92 (0.68–1.20)	1.00 (0.69–1.45)	1.25 (0.92–2.01)	.07

The meta-analyses (Supplemental Table S3) were based on studies where information on the number of participants in each group was available.

NAT1¹⁵^,¹⁷

^†

NAT2.¹²^,¹⁵^,¹⁷ Odds ratios (OR), 95% confidence interval (95% CI).

^‡

P-interaction. P-interactions were estimated by logistic regression analysis. Confidence intervals were obtained by bootstrapping.