Table 3.

Fibroblast growth factor 23 quartiles and hazard ratios with 95% confidence interval for long-term mortality adjusted for age, ejection fraction and baseline serum lactate

	Quartile 1	Quartile 2	Quartile 3	Quartile 4
Overall cohort	1	1.02	1.59	2.34
		(0.44–2.37)	(0.78–3.24)	(1.12–4.88)
Creatinine ≥117 μmol/L	1	1.11	2.78	3.56
		(0.17–7.06)	(0.61–12.62)	(0.81–15.72)
Creatinine <117 μmol/L	1	0.89	0.95	1.42
		(0.33–2.38)	(0.36–2.49)	(0.30–6.82)