Table 2. Incidence of outcomes in patients grouped by Zn levels.

	All	Low-Zn group	High-Zn group	p
n	312	160	152
Outcomes, n (%)
Primary outcome	100 (32.1)	69 (43.1)	31 (20.4)	<0.001
ESKD	74 (23.7)	49 (30.6)	25 (16.4)	0.003
Hemodialysis	65 (20.8)	45 (28.1)	20 (13.2)	0.001
Peritoneal dialysis	9 (2.9)	4 (2.5)	5 (3.3)	0.75
Death	26 (8.3)	20 (12.5)	6 (3.9)	0.007
Observation period (days)	365 (71, 365)	163 (38, 365)	365 (197, 365)	<0.001

Continuous variables are shown as the median (interquartile range). Categorical variables are shown as n (%). Abbreviations: Zn, serum zinc; ESKD, end-stage kidney disease.