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Table 3 C-reactive protein (CRP) and procalcitonin (PCT) levels by renal function and infection status

From: Clinical relevance of procalcitonin and C-reactive protein as infection markers in renal impairment: a cross-sectional study

  CRP, mg/dL PCT, ng/mL
  Infection- Infection+ P Infection- Infection+ P
Total 1.12 (3.63) 10.62 (17.94) <0.001 0.15 (0.42) 2.86 (22.73) <0.001
Group I (eGFR ≥60) 2.38 (8.46) 8.42 (10.82) <0.001 0.05 (0.13) 0.45 (4.21) <0.001
Group II (eGFR <60) 0.83 (2.48) 12.08 (20.02) <0.001 0.25 (0.53) 4.76 (32.37) <0.001
eGFR ≥90 2.38 (5.36) 6.09 (10.36) 0.001 0.05 (0.10) 0.21 (1.98) <0.001
60≤ eGFR <90 2.55 (11.45) 11.06 (16.52) 0.03 0.07 (0.20) 1.28 (20.37) <0.001
30≤ eGFR <60 0.96 (2.37) 12.19 (16.46) <0.001 0.09 (0.22) 2.88 (19.80) <0.001
15≤ eGFR <30 0.75 (2.28) 19.86 (21.69) <0.001 0.17 (0.42) 23.22 (77.22) <0.001
eGFR <15       
 Without RRT 0.62 (2.65) 18.82 (16.54) <0.001 0.25 (0.53) 14.44 (65.76) <0.001
 HD 1.89 (3.53) 10.19 (22.12) <0.001 0.55 (0.80) 7.37 (36.34) <0.001
 PD 0.40 (1.33) 3.30 (9.78) <0.001 0.40 (0.45) 1.31 (10.74) 0.001
  1. Statistics were analyzed by the Mann–Whitney U-test. Data represent median (IQR). Group I: eGFR ≥60 mL/min/1.73 m2, Group II: eGFR <60 mL/min/1.73 m2. eGFR, estimated glomerular filtration rate; RRT, renal replacement therapy; HD, hemodialysis; PD, peritoneal dialysis.