Research Article
Postoperative Serum Procalcitonin Level Can Be a Useful Marker of Bacterial Infection after Cardiac Surgery Utilizing Cardiopulmonary Bypass
Table 3
Logistic regression analyses demonstrating procalcitonin and white blood cell levels as risk factors of bacterial infection.
| Variables | All (N = 146) N (%) | Infection (N = 42) N (%) | value | Univariate analysis | 95% CI | Multivariate analysis | 95% CI | OR | value | OR | value |
| PCT level at POD 7 (ng/dl) | ≥4.13 | 113 (77.40) | 25 (59.52) | 0.001 | 3.74 | 0.002 | 1.66–8.45 | 3.410 | 0.004 | 1.49–7.81 | <4.13 | 33 (22.60) | 17 (40.48) | | | | | | | | WBC level at POD 7 (cells/mm3) | ≥19,870 | 83 (56.85) | 19 (45.24) | 0.096 | 0.297 | 0.074 | 0.94–4.00 | 1.614 | 0.216 | 0.76–3.44 | <19,870 | 63 (43.15) | 23 (54.76) | | | | | | | |
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Note. PCT, procalcitonin; POD, postoperative day; WBC, white blood cell; CI, confidence interval.
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