Research Article
Gamma-Glutamyl Transferase: A Friend against Cholestatic Itch? A Retrospective Observational Data Analysis in Patients with Extrahepatic Cholestasis
Table 1
Demographic and laboratory characteristics.
| Characteristic | Patients without pruritus () | Patients with pruritus () | value or mean difference (95% CI) |
| Gender—females (%) | 65 (48) | 41 (41) | 0.33 | Age in years () | | | 0.45 (-3.85–1.72) | Diagnosis—number (%) | | | | Pancreatic carcinoma | 100 (73) | 60 (61) | 0.06 | Cholangiocarcinoma | 28 (21) | 26 (26) | Papillary carcinoma | 8 (6) | 13 (13) | Hb—mmol/L () | | | 0.22 (-0.10–0.44) | Leucocytes—10^9/L () | | | 0.31 (-1.48–0.47) | Thrombocytes—10^9/L () | | | 0.13 (-6.31–48.0) | AST—U/L median (IQR) | 162 (100–247) | 114 (67–199) | <0.01 | ALT—U/L median (IQR) | 260 (129–407) | 197 (78–320) | <0.01 | LD—U/L median (IQR) | 237 (201–284) | 239 (203–274) | 0.93 | INR median (IQR) | 1.1 (1.00–1.30) | 1.0 (0.975–1.10) | <0.01 | Albumin—g/L () | | | 0.99 (-2.21–2.17) | MELD-score () | | | 0.47 (-1.37–2.93) | Creatinine—μmol/L () | | | 0.98 (-11.6–11.2) | eGFR (MDRD) —ml/min () | | | 0.32 (-14.7–4.83) |
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Abbreviations: Hb: hemoglobin; AST: aspartate aminotransferase; ALT: alanine aminotransferase; LD: lactate dehydrogenase; INR: international normalized ratio; MELD: model for end-stage liver disease; eGFR: estimated glomerular filtration rate; MDRD: modification of diet in renal disease.
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