Table 3.

HRs of all-cause mortality categorised by the fluid intake in the non-CKD and CKD group

	Non-CKD (N=933)				CKD group (N=1249)
	Unadjusted model		Totally adjusted model		Unadjusted model		Totally adjusted model
Variables	HR (95% CI)	p Value	HR (95% CI)	p Value	HR (95% CI)	p Value	HR (95% CI)	p Value
Total daily fluid intake (L/day)
<2.147	1	Reference	1	Reference	1	Reference	1	Reference
2.147 to 2.789	0.881 (0.695 to 1.117)	0.295	1.016 (0.791 to 1.307)	0.899	0.944 (0.754 to 1.181)	0.613	0.933 (0.737 to 1.181)	0.562
2.789 to 3.576	0.802 (0.631 to 1.019)	0.071	0.928 (0.720 to 1.196)	0.563	0.939 (0.750 to 1.177)	0.586	0.914 (0.712 to 1.173)	0.481
≥3.576	0.667 (0.524 to 0.850)	0.001	1.002 (0.768 to 1.308)	0.985	0.720 (0.561 to 0.923)	0.010	0.741 (0.566 to 0.970)	0.029

Adjusted for age, gender, race-ethnicity, BMI, waist, white cell count, eGFR, HDL cholesterol, apolipoprotein AI, glucose, plasma fibrinogen, albumin, C reactive protein, smoke, cancer, emphysema, DM and arthritis.

BMI, body mass index; CKD, chronic kidney disease; DM, diabetes mellitus; eGFR, estimated glomerular filtration rate; HDL, high-density lipoprotein.