Effect of early serum phosphate disorder on in-hospital and 28-day mortality in sepsis patients: a retrospective study based on MIMIC-IV database

Table 2 The association between delta serum phosphate and in-hospital mortality and 28-day mortality

Outcome	Delta serum phosphate level during the first 3 days of ICU admission (mg/dL)
	0−1.3	1.4−2.0	2.1–3.1	≥ 3.2
In-hospital mortality, OR (95% CI, P)
-Model 1, unadjusted	1.0 (Ref)	1.25 (0.88–1.78), 0.218	1.25 (0.88–1.77), 0.221	1.80 (1.28–2.55), < 0.001
-Model 2^a	1.0 (Ref)	1.26 (0.88–1.80), 0.207	1.28 (0.90–1.82), 0.177	1.97 (1.39–2.80), < 0.001
-Model 3^b	1.0 (Ref)	1.25 (0.86–1.81), 0.246	1.28 (0.88–1.86), 0.202	1.63 (1.10–2.43), 0.016
28-day mortality, OR (95% CI, P)
-Model 1, unadjusted	1.0 (Ref)	1.20 (0.86–1.67), 0.281	1.09 (0.78–1.52), 0.622	1.66 (1.20–2.31), 0.002
-Model 2^a	1.0 (Ref)	1.22 (0.87–1.71), 0.247	1.11 (0.79–1.55), 0.549	1.82 (1.31–2.55), < 0.001
-Model 3^b	1.0 (Ref)	1.21 (0.86–1.72), 0.282	1.10 (0.77–1.57), 0.605	1.49 (1.03,2.19), 0.037

a: Adjusted for sex and age
b: Adjusted for sex, age, infection site, AKI, intestine disease, invasive mechanical ventilation time, APACHEII score, PH, creatinine

ISSN: 1472-6947