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Table 1 Population characteristics

From: Serum lactate is an independent predictor of hospital mortality in critically ill patients in the emergency department: a retrospective study

  <2 mmol/L (N = 150) 2–4 mmol/L (N = 150) >4 mmol/L (N = 150) p-value
Age (years) (Mean ± SD) 64.87 ± 18.08 68.51 ± 18.01 67.46 ± 17.67 0.194
Male sex no.(%) 78 (52.0) 92 (61.3) 86 (57.3) 0.262
DM no.(%) 43 (28.7) 67 (44.7) 77 (51.3) <0.001
CAD no.(%) 44 (29.3) 48 (32.0) 58 (38.7) 0.210
CKD no.(%) 32 (21.3) 27 (18.0) 34 (22.7) 0.589
Metabolic illness no.(%) 5 (3.3) 0 (0.0) 2 (1.3) 0.063
Malignancy no.(%) 50 (33.3) 34 (22.7) 45 (30.0) 0.113
Recent surgery no.(%) 3 (2.0) 4 (2.7) 9 (6.0) 0.134
Medication use no.(%)
 Metformin 9 (6.0) 29 (19.3) 27 (18.0) 0.001
Discharge diagnosis no.(%)
 Infection 119 (79.3) 127 (84.7) 115 (76.7) 0.208
 Trauma 5 (3.3) 7 (4.7) 13 (8.7) 0.111
 Cardiogenic shock 0 (0.0) 0 (0.0) 27 (18.0) <0.001
 MI 1 (0.7) 2 (1.3) 10 (6.7) 0.003
 Stroke 4 (2.7) 3 (2.0) 4 (2.7) 0.911
 Neurogenic shock 0 (0.0) 0 (0.0) 3 (2.0) 0.049
 DKA 0 (0.0) 2 (1.3) 4 (2.7) 0.132
 Ethanol toxicity 1 (0.7) 2 (1.3) 1 (0.7) 0.777
 Acute limb ischemia 3 (2.0) 2 (1.3) 3 (2.0) 0.881
 DVT 0 (0.0) 0 (0.0) 3 (2.0) 0.049
 DIC 0 (0.0) 0 (0.0) 2 (1.3) 0.134
 Obstetric emergenciesa 2 (1.3) 0 (0.0) 0 (0.0) 0.134
  1. aDiagnoses included: PPROM (Preterm premature rupture of membranes) and Missed Abortion