Table 1 (abstract P034) Results. (1) Compared to patients with BMI 20-30 kg/m², (2) Compared to operators that had performed > 100 CVC insertions at the beginning of the study period

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