Table 2.
True bacteremia | Contamination | True negative | ||||
---|---|---|---|---|---|---|
n = 111 | n = 99 | n = 273 | ||||
First | Second | First | Second | First | Second | |
n = 56 | n = 55 | n = 50 | n = 49 | n = 143 | n = 130 | |
Site of blood sampling n (%) | ||||||
CV other | 9 (16.1) | 10 (17.9) | 8 (16.0) | 6 (12.0) | 27 (18.9) | 29 (20.3) |
Venous | 12 (21.4) | 11 (19.6) | 12 (24.0) | 9 (18.0) | 56 (39.2) | 43 (30.1) |
Femoral | 35 (62.5) | 35 (62.5) | 30 (60.0) | 35 (70.0) | 60 (42.0) | 71 (49.7) |
Antiseptics, n (%) | ||||||
PVI | 36 (64.3) | 35 (62.5) | 47 (94.0) | 47 (94.0) | 102 (71.3) | 89 (62.2) |
ACHX | 19 (33.9) | 20 (35.7) | 1 (2.0) | 0 | 37 (25.9) | 39 (27.3) |
Other types | 1 (1.8) | 0 | 2 (4.0) | 2 (4.0) | 4 (2.8) | 2 (1.4) |
One pair | 0 | 1 (1.8) | 0 | 1 (2.0) | 0 | 13 (9.1) |
ACHX, 1.0% alcohol/chlorhexidine gluconate; CV Other, blood culture sample from recently inserted central venous catheter, venous and arterial catheters, implanted port; Femoral, femoral artery or vein; First, first pair of blood cultures; Other types, alcohol and benzalkonium; PVI, 10% aqueous povidone-iodine; Second, second two pairs of blood cultures; Venous, venipuncture without catheter insertion.