From: 41st International Symposium on Intensive Care and Emergency Medicine
Independent variables | Odds ratios | 95% Confidence intervals | p Values |
---|---|---|---|
BMI < 20 (1) | 2.63 | 1.20–5.32 | 0.010 |
BMI ≥30 (1) | 0.77 | 0.34–1.57 | 0.488 |
Positive pressure ventilation | 0.75 | 0.41–1.35 | 0.330 |
Male operator sex | 2.65 | 1.36–5.57 | 0.007 |
Limited operator experience (2) | 3.12 | 1.71–5.60 | < 0.001 |
No. of skin punctures | 2.11 | 1.58–2.72 | < 0.001 |
Observations = 10 634 | Â | Â | Â |