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Table 3 Comparison of survived versus deceased patients with metformin-associated lactic acidosis

From: Outcome of severe lactic acidosis associated with metformin accumulation

 

All patients with MALA (n= 10)

Survived (n= 5)

Deceased (n= 5)

Age, years

66 ± 9

64 ± 5

69 ± 11

Male gender

4 (40%)

3 (60%)

1 (20%)

SAPS II

88 ± 23

73 ± 25

103 ± 7

SOFA score

14.3 ± 1.4

13.8 ± 1.5

14.8 ± 1.3

   Respiratory

2.7 ± 0.9

2.4 ± 1.1

3.0 ± 0.7

   Renal

4.0 ± 0.0

4.0 ± 0.0

4.0 ± 0.0

   Hepatic

0.3 ± 0.7

0.4 ± 0.9

0.2 ± 0.4

   Cardiovascular

4.0 ± 0.0

4.0 ± 0.0

4.0 ± 0.0

   Hematologic

0.5 ± 0.8

0.4 ± 0.9

0.6 ± 0.9

   Neurologic

2.8 ± 1.5

2.6 ± 1.3

3.0 ± 1.7

Lactate, mmol/L

18.7 ± 5.3

17.7 ± 5.3

19.8 ± 5.7

pH

6.75 ± 0.13

6.72 ± 0.17

6.77 ± 0.07

Prothrombin activity, %

69.1 ± 27.7a

78.0 ± 24.6

58.0 ± 30.7a

Serum metformin, mg/L

55 ± 13

52 ± 7

58 ± 19

  1. Values other than 'Male gender', which is presented as number (percentage), are presented as mean ± standard deviation. aOne patient was omitted with 11% prothrombin activity due to cumarin therapy. MALA, metformin-associated lactic acidosis; SAPS II, Simplified Acute Physiology Score II; SOFA, Sequential Organ Failure Assessment.