Table 1 Patient baseline data, central venous catheter insertion characteristics and operator characteristics
Characteristics | Values, n (%) for all variables except Age and BMI, reported with mean (SD) |
|---|---|
Patients | 8 586 (100) |
 Female sex | 3 535 (41) |
 Age (yr) | 66 (16) |
 BMI | 27 (6.0) |
 BMI <20 | 659 (7.7) |
    Missing | 260 (3.0) |
 Coagulopathya | 1 190 (14) |
 Positive pressure ventilation | 4 844 (56) |
 CVC insertions | 8 586 (100) |
Insertion technique | |
 Ultrasound-guided | 8 072 (94) |
 Landmark | 230 (2.7) |
 Change over guidewire | 22 (0.3) |
    Missing | 262 (3.1) |
 Insertion at nightb | 1 232 (14) |
 Catheter bore size ≥9 Fr | 1 387 (16) |
    Missing | 648 (7.5) |
 Internal jugular vein | 7 079 (82) |
 Subclavian veinc | 1 134 (13) |
 Femoral vein | 112 (1.3) |
 External jugular vein | 64 (0.7) |
    Missing | 197 (2.3) |
 >1 skin puncture | 1 268 (15) |
    Missing | 301 (3.5) |
Individual operators | 281 (100) |
 Female | 108 (38) |
Operator gender per CVC insertion | |
 Female | 3 053 (36) |
 Male | 5149 (60) |
 Missing | 384 (4.5) |
Operator experience per CVC insertion | |
 Internal jugular vein | 7 079 (100) |
    <100 | 1150 (16) |
    ≥100 | 5698 (80) |
    Missing | 231 (3.3) |
 Subclavian vein | 1 134 (100) |
    <100 | 503 (44) |
    ≥100 | 616 (54) |
    Missing | 15 (1.3) |
 Femoral vein | 112 (100) |
    <100 | 86 (77) |
    ≥100 | 19 (17) |
    Missing | 7 (6) |