Research Article

The Significance of an Increased Beta-Hydroxybutyrate at Presentation to the Emergency Department in Patients with Diabetes in the Absence of a Hyperglycemic Emergency

Table 1

Characteristics of patients with diabetes presenting to the emergency department, stratified by beta-hydroxybutyrate category or presence of hyperglycemic emergency.

Beta- mmol/L (low-ketone group)Beta- mmol/L (ketosis without DKA)DKAHHS

Number (%)323 (79.9)58 (14.4)17 (4.2)6 (1.5)
Age year median (IQR)72.2 (22.5)63.4 (34.3)48.9 (44.6)#77.1 (39.6)
Men (%)57.660.361.10
Type of diabetes (%)
 T112.119.072.20
 T283.972.416.7100
 T32.85.211.10
Use of SGLT2i at presentation (%)3.45.200
Use of insulin at presentation (%)52.853.481.333.3
Admitting team
 Surgery10.510.3--
 Cardiac12.48.6--
 Respiratory7.45.2--
 Geriatric12.117.2-33.3
 Other medical30.031.010066.7
 Discharge from ED25.725.9--
Length of stay median (IQR)3.0 (7.2)4.2 (7.3)3.2 (4.1)3.5 (10.5)
In-hospital death percent5.15.34.98.6
Reduced oral intake at presentation (%)15.232.855.616.7
Vomiting at presentation13.61972.20
Acute ethanol at presentation (%)3.48.616.70
SIRS (%)22.641.444.450.0
qSOFA (%)
1.95.200
Charlson score
Arbitrary units (IQR)
3 (2)2.8 (2.0)2.1 (1.5)1.4 (1.5)
Glucose (mmol/L)
Median (IQR)
10.4 (9.9)19 (8.8)#29.8 (14.4)#30.4 (12)#
Beta-hydroxybutyrate (mmol/L)
Median (IQR)
0.2 (0.3)2.1 (1.5)6.3 (0.4)1.5 (3.0)
Lactate (mmol/L)
Median (IQR)
2.3 (1.8)2.4 (2.2)2.1 (0.2)1.9 (1.0)
eGFR (mL/min/1.73 m2)
Median (IQR)
57.5 (53)65 (58)75 (36)55 (48)
Bicarbonate (mmol/L)
Median (IQR)
24.8 (4.7)22.6 (6.2)#12.3 (5.0)#24.8 (9.4)
Anion gap
Median (IQR)
12.6 (4.2)14.8 (6.1)#27.1 (6.0)#17.2 (5.9)
Standard base excess0.6 (4.3)-1.8 (6.5)#-14 (5.6)#0.3 (8.9)
HbA1c (%)
Median (IQR)
8.0 (3.3)8.8 (5.4)#9.4 (1.3)#14.0 (9.1)#
WCC (cells/μL)
Mean (IQR)
10.2 (5.9)12.7 (6.1)#15.5 (9.0)#10.5 (4.6)

across groups. # compared with the no-ketosis group.