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Table 2 Comparison of in-hospital mortality rates, by presence of abnormal circulatory hemodynamic instability marker

From: A retrospective analysis of geriatric trauma patients: venous lactate is a better predictor of mortality than traditional vital signs

 

Mortality % (n)

 

Marker

Abnormal

Normal

P value

Venous lactate

12.05 (40/332) *

3.09 (36/1166)

< 0.001

Traditional vital sign

13.98 (13/93) †

3.78 (71/1878)

< 0.001

Systolic blood pressure

19.57 (9/46) ‡

3.85 (74/1920)

< 0.001

Heart rate

12.24 (6/49) §

3.98 (76/1908)

0.01

Shock index

10.61 (7/66) ¶

3.82 (72/1884)

0.02

  1. *Abnormal venous lactate: ≥ 2.5 mM.
  2. †Abnormal TVS: Systolic blood pressure < 90 mm Hg and/or heart rate > 120 beats/min.
  3. ‡Abnormal systolic blood pressure: < 90 mm Hg.
  4. §Abnormal heart rate: > 120 beats/min.
  5. ¶Abnormal shock index: ≥ 1.