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Table 2 Risk assessment for torso injuries in 215 stable trauma patients

From: Emergency department spirometric volume and base deficit delineate risk for torso injury in stable patients

Risk Factor

#

TI Rate

Sensitivity

Specificity

NPV

OR

P-value

increased BD

121

41.3%

75.8%

52.3%

83.0%

3.4

.0001

increased lactate

78

39.7%

47.0%

68.5%

74.5%

1.9

.03

decreased PaO2/FiO2

45

48.9%

33.3%

84.6%

74.1%

2.7

.003

decreased SV

64

73.4%

71.2%

88.6%

87.4%

19.2

<<.0001

positive FAST

8

62.5%

7.6%

98.0%

70.5%

4.0

.06

chest/abdominal STI

82

37.8%

47.0%

65.8%

73.7%

1.7

.08

increased BD and/or decreased SV

144

43.8%

95.5%

45.6%

95.8%

17.6

<<.0001

  1. TI, torso injury; NPV, negative predictive value for a negative test; OR, odds ratio; BD, base deficit; SV, spirometric volume; FAST, focused-abdominal sonography for trauma; STI, soft tissue injury (abrasions, ecchymosis, laceration)