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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.