Table 2.
Results of blood culture sets obtained (n=100)
| Bacterial Growth of Blood Culture Sets | All Positive | Partial Positive | Contamination | Negative |
|---|---|---|---|---|
| n | 27 | 6 | 12 | 55 |
| Antibiotics given before BC | 2 | 1 | 0 | 2 |
| Time from dialysis start to BC draw, h:min, mean (range, median) | 2:24 (0:03–7:10, 2:25) | 1:33 (0:41–2:09, 1:33) | 2:13 (0:26–4:57, 2:17) | 2:22 (−0:04–9:02, 2:09) |
| Time to sample cultivation, h:min, mean (range, median) | 4:27 (0:05–17:07, 3:43) | 8:54 (3:18–18:40, 8:11) | 7:40 (1:46–20:16, 4:21) | 5:48 (1:36–19:36, 4:56) |
| Mean TTP, min | Range, min | Median, min | ||
|---|---|---|---|---|
| Peripheral vein | 1092 | 292–2502 | 856 | |
| HD circuit | 966 | 163–2925 | 793 | |
| Arterial hub | 1025 | 142–3909 | 777 | |
| Venous hub | 947 | 280–2493 | 744 |
| Mean DTTP, min | Range, min | Median, min | Meeting Criteria of DTTP, % | |
|---|---|---|---|---|
| PV and HD circuit | −107 | −1505–795 | −9 | 28 |
| PV and arterial hub | −106 | −1504–2787 | −4 | 33 |
| PV and venous hub | −176 | −1710–1141 | −11 | 29 |
| HD circuit and arterial hub | 35 | −794–2799 | −2 | |
| HD circuit and venous hub | −33 | −795–1241 | −2 | |
| Arterial hub and venous hub | −106 | −2577–586 | 0 |
BC, blood culture; TTP, time to positivity; HD, hemodialysis; DTTP, differential time to positivity; PV, peripheral vein.