. Author manuscript; available in PMC: 2012 Aug 1.

Published in final edited form as: Am J Kidney Dis. 2011 Jun 12;58(2):248–256. doi: 10.1053/j.ajkd.2011.03.017

Table 5.

HR of 6-year mortality by quartile of dietary omega-6 to omega-3 ratio

	Quartile of omega-6 to omega-3 ratio				Across quartiles	P for trend
	1 (n=37)	2 (n=36)	3 (n=36)	4 (n=36)	Across quartiles	P for trend
Case-mix
HR (95% CI)	0.54(0.21-1.38)]	0.58(0.22-1.49)	0.84(0.36-1.96)	1.00 (ref)	1.25(0.93-1.69)
P value	0.2	0.3	0.7			0.1
Case-mix and diet adjusted
HR (95% CI)	0.37(0.14-1.08)	0.29(0.09-0.93)	0.61(0.24-1.57)	1.00 (ref)	1.40(0.98-1.02)
P value	0.08	0.04	0.3			0.04
Case-mix, diet, BMI, and HTN
HR (95% CI)	0.39(0.14-1.18)	0.30(0.09-0.99)	0.67(0.25-1.79)	1.00 (ref)	1.38(0.96-1.99)
P value	0.1	0.01	0.4			0.06

Note: for 145 maintenance hemodialysis patients in October 2011 to September 2007. Case-mix= age, gender, race/ethnicity, diabetes, dialysis vintage, modified Charlson comorbidity score, dialysis dose (Kt/V); diet, intakes of energy, saturated fat, trans fat, cholesterol, and fiber.

Abbreviations: HTN= history of hypertension; BMI, body mass index; HR, hazard ratio; CI, confidence interval