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Table 2 Preoperative and postoperative serum levels of C-reactive protein, leukocytes and procalcitonin (PCT)

From: Prognostic value of procalcitonin in patients after elective cardiac surgery: a prospective cohort study

Characteristic Patients without delayed complications (n = 634) Patients with delayed complications (n = 117) p value
Inflammatory markers
Preoperative
PCT (ng/ml) (min–max); normal: <0.5 ng/ml 0.03 ± 0.14 0.09 ± 0.28 <0.001
Leukocytes (×109/l) (min–max) 7.4 ± 3.9 7.8 ± 2.5 0.12
C-reactive protein (mg/l) (min–max); normal: <5 mg/l 7.4 ± 16.8 16.2 ± 33.7 0.001
Postoperative
PCT [ng/ml] (min–max); normal: <0.5 ng/ml 0.9 ± 1.2 8.6 ± 13.5 <0.001
Leukocytes (×109/l) (min–max) 11.3 ± 4.3 12.6 ± 4.2 <0.001
C-reactive protein (mg/l) (min–max); normal: <5 mg/l 70.0 ± 29.7 74.8 ± 33.7 0.24
  1. Data are expressed as mean ± standard deviation
  2. Statistically significant p values are in italics (p < 0.05)