. 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 4.

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

	Quartile of omega-3 intake				Across quartiles	P for trend
	1 (n=37)	2 (n=36)	3 (n=36)	4 (n=36)	Across quartiles	P for trend
Age and gender adjusted
HR (95% CI)	1.00 (ref)	1.02(0.47-2.23)	0.39(0.15-0.98)	0.65(0.28-1.54)	0.78(0.59-1.04)
P value		0.9	0.04	0.3		0.09
Case-mix + diet adjusted
HR (95% CI)	1.00 (ref	1.39(0.60-3.23)	0.28(0.10-0.87)	0.65(0.21-1.97)	0.75(0.52-1.09)
P value		0.4	0.02	0.2		0.1
Case-mix + BMI + HTN
HR (95% CI)	1.00 (ref)	1.69(0.69-4.13)	0.30(0.10-0.93)	1.10(0.22-2.21)	0.76(0.52-1.11)
P value		0.2	0.04	0.5		0.2

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