. 2020 Dec 29;6(2):342–350. doi: 10.1016/j.ekir.2020.11.009

Table 3.

Adjusted mortality risk associated with pre-HD SNa by ΔSNa level

Serum sodium category	ΔSNa category
	0<ΔSNa≤2	2<ΔSNa≤4	4<ΔSNa
	HR (95% CI)	HR (95% CI)	HR (95% CI)
SNa≤136	- (N = 0)	1.046 (0.998–1.096)	1.089^a (1.053–1.126)
136<SNa≤140	1 (reference)	1.007 (0.975–1.040)	1.014 (0.981–1.048)
140<SNa	0.987 (0.954–1.021)	0.995 (0.962–1.030)	0.991 (0.939–1.046)

Abbreviations: CI, confidence interval; CVD, cardiovascular disease; HD, hemodialysis; HR, hazard ratio; SNa, serum sodium.

Cox model adjusted for age, sex, HD vintage, HD time, dialysate sodium, history of cardiovascular disease, hemoglobin, albumin, calcium, phosphate, total cholesterol, Kt/V, C-reactive protein, normal protein catabolic rate, ΔBW% ([pre-HD body weight − post-HD body weight] / pre-HD body weight × 100).

< 0.0001