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Table 3 Laboratory data and other variables of patients with AGI

From: Association between acute gastrointestinal injury and biomarkers of intestinal barrier function in critically ill patients

Variable I n = 20 II n = 46 III n = 15 IV n = 9 Total n = 90 P
Serum albumin (g/L) 27.1 (22.9–31.2) 31.6 (26.4–34.6) 29.8 (26.6–34.2) 28.3 (20.7–29.7) 30.0 (24.2–32.9) 0.077
CRP (mg/L) 141.0 (115.5–165.1) 109.6 (41.8–195.0) 96.7 (23.4–171.7) 96.6 (61.0–189.2) 116.3 (48.6–188.0) 0.781
PCT (μg/L) 3.9 (0.8–8.5) 1.7 (0.2–17.6) 4.8 (0.9–6.0) 11.3 (4.3–27.1) 2.7 (0.4–11.3) 0.580
Arterial lactate (mmol/L) 1.4 (1.1–2.0) 1.7 (1.1–3.3) 1.9 (1.1–2.7) 2.7 (1.5–3.9) 1.7 (1.2–2.7) 0.167
IAP (mm Hg) 11.0 (8.5–13.0) 13.0 (8.5–14.0) 14.5 (10.3–17.50) 14.0 (11.5–18.5) 13.0 (9.0–14.0) 0.042a
APP (mm Hg) 82.0 (66.5–92.0) 77.0 (70.5–91.0) 79.5 (58.0–88.3) 69.0 (44.0–87.5) 77.0 (63.0–90.0) 0.639
i-FABP (pg/mL) 516.1 (422.0–662.6) 518.0 (423.2–622.2) 597.4 (488.2–657.0) 752.3 (540.9–3208.9) 551.6 (438.9–660.0) 0.051a
LPS (pg/mL) 4.6 (3.4–7.4) 5.5 (3.7–7.7) 6.2 (5.0–7.3) 9.0 (7.1–45.5) 5.9 (3.9–7.7) 0.008a
d-la (μmol/L) 16.8 (14.0–44.6) 28.0 (17.0–60.5) 58.9 (20.7–62.9) 52.1 (33.4–223.0) 31.2 (16.1–59.7) 0.012a
  1. Measurement values are expressed as median (interquartile range, 25%–75%). Categorical variables are reported as n (%). Variables were compared using the Kruskal–Wallis test
  2. AGI acute gastrointestinal injury, APP abdominal perfusion pressure, CRP C-reactive protein, d -la d-lactate, IAP intra-abdominal pressure, i-FABP intestinal fatty acid–binding protein, LPS lipopolysaccharide, PCT procalcitonin
  3. aSignificant differences among AGI grades I, II, III, and IV