Research Article
Agreement between Arterial and Capillary pH, pCO2, and Lactate in Patients in the Emergency Department
Table 1
Demographic and clinical characteristics of patients at study inclusion.
| | Number of observations | 197 | | Age, mean (SD), y | 57.9 (16.3) | | Male, no. (%) | 126 (63.9) | | BMI, median (IQR) | 24.7 (20.8–28.5) |
| | Suspected pathology at sampling, no. (%) | | COPD | 52 (26.4) | | Asthma | 7 (3.6) | | Pneumonia | 16 (8.2) | | Pulmonary embolism | 4 (2) | | Other respiratory failure | 22 (11.2) | | Carbon monoxide poisoning | 3 (1.5) | | Diabetic ketoacidosis | 16 (8.1) | | Epilepsia | 12 (6.1) | | Sepsis | 12 (6.1) | | Shock | 6 (3.1) | | ROSC | 3 (1.5) | | Cardiac failure | 15 (7.6) | | CVA | 1 (0.5) | | Other | 28 (14.2) |
| | Capillary blood sampling attempts, no. (%) | | One attempt | 170 (92.9) | | Two attempts | 12 (6.6) | | Three or more attempts | 1 (0.5) |
| | Arterial blood sampling attempts, no. (%) | | One attempt | 165 (90.7) | | Two attempts | 13 (7.1) | | Three or more attempts | 4 (2.2) |
| | Mean arterial pressure (SD) (mmHg) | 96.0 (21.1) | | Delay arterial-capillary (IQR) (min) | 1 (1–2) |
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BMI, body mass index; COPD, chronic obstructive pulmonary disease; CVA, cardiovascular accident; IQR, interquartile range; ROSC, return of spontaneous circulation SD, standard deviation.
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