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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)
| 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 |
