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Table 1 Patient characteristics and characteristics of the first breath test performed and the blood and breath alcohol measures (n = 88)

From: Assessment of the breath alcohol concentration in emergency care patients with different level of consciousness

Data for all patients n Mean SD Range
Gender: 53 men, 35 women 88    
Age [years] 88 45 ±19 18 - 86
BAC [mg/g] 88 1.26 ±1.06 0.0 - 3.46
pCO2, first approved breath test [kPa] 88 3.54 ±0.88 1.7 - 5.59
No. of negative blood tests [n] 24 (27%)
No. of test with awake/sleeping subjects [n] 63/15 (not all tests characterized )
No. of the forced/non-forced breath tests [n] 10/57 (not all tests characterized )
Data for the patients with a positive BAC n Mean SD Range
BAC [mg/g] 64 1.73 ±0.85 0.15 - 3.46
Measured BrAC (BrACmeas) [mg/l] 64 0.64 ±0.36 0.0 - 1.71
Estimated end-expiratory BrAC (BrACest) [mg/l] 64 0.86 ±0.43 0.0 - 2.03
Ratio BAC/BrACmeas 63 2994 ±947 1758 - 7776
Ratio BAC/BrACest 63 2144 ±503 1130 - 3632
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