Admission hyperphosphatemia as a predictor of severity and mortality in acute pancreatitis: A 1000-patient cohort study

Table 1 Baseline demographic and etiological characteristics of patients with acute pancreatitis stratified by admission serum phosphate levels

Characteristic	Entire cohort (n = 1000)	Hypophosphatemia (< 2.5 mg/dL, n = 150)	Normophosphatemia (2.5-4.5 mg/dL, n = 750)	Hyperphosphatemia (> 4.5 mg/dL, n = 100)	P value
Age, median (IQR), years	55 (45-64)	54 (43–63)	53 (44–62)	60 (50–68)	0.02
Male sex	550 (55.0)	80 (53.3)	400 (53.3)	65 (65.0)	0.03
Gallstone-related AP	600 (60.0)	90 (60.0)	480 (64.0)	40 (40.0)	< 0.001

Values are presented as n (%) unless otherwise indicated. Continuous variables are shown as median (interquartile range). AP: Acute pancreatitis.