Research Article

Disruptions in Liver Function among Cancer Patients and Patients Treated with Tyrosine Kinase Inhibiting Drugs: Comparisons of Two Population-Based Databases

Table 4

Incidence of first occurrence of each degree of elevation for multiple liver function tests, TKI cohorts.

Liver function tests (LFTs) EMR databaseInsurance claims database
Patients with elevationPatients with elevation
Patients evaluated ( )* ** % PY Incidence rate per 100 PY (95% CI) Patients evaluated ( )* ** % PY Incidence rate per 100 PY (95% CI)

ALT or SGPT (U/L)
 >3× ULN53630 5.64356.9 (2.7–14.3)34418 5.22826.4 (3.4–9.3)
 >5× ULN11 2.14542.4 (0.4–7.9)102.92873.5 (1.3–5.6)
 >10× ULN1 0.24610.2 (0.0–4.1)10.32950.3 (0–1.9)
 >20× ULN1 0.24610.2 (0.0–4.1)10.32950.3 (0–1.9)
AST or SGOT (U/L)
 >3× ULN53614 2.64533.1 (0.7–8.9)353133.7296 4.4 (2.0–6.8)
 >5× ULN4 0.74590.9 (0.1–5.3)61.73002.0 (0.4–3.6)
 >10× ULN1 0.24610.2 (0.0–4.1)20.63000.7 (0.1–2.4)
 >20× ULN1 0.24610.2 (0.0–4.1)10.33010.3 (0–1.9)
ALP (U/L)
 >2× ULN53619 3.54584.1 (1.9–10.5)33113 3.92964.4 (2.0–6.8)
 >3× ULN9 1.74602.0 (0.2–7.1)72.13002.3 (0.6–4.1)
 >5× ULN1 0.24610.2 (0.0–4.1)30.93011.0 (0.2–2.9)
Serum bilirubin, total (mg/dL)
 >1.5× ULN53743 8.04429.7 (4.6–18.0)399235.8342 6.7 (4.0–9.5)
 >2× ULN16 3.04603.5 (0.8–9.5)15 3.83464.3 (2.1–6.5)
 >5× ULN4 0.74610.9 (0.1–5.3)71.83492.0 (0.5–3.5)
 >10× ULN1 0.24610.2 (0.0–4.1)30.83490.9 (0.2–2.5)
LFT combinations of Hy's Law 53530.64610.6 (0.0–4.9)28510.32760.4 (0–2.0)

evaluated: number of eligible patients with at least one follow-up measure of the corresponding LFT. with elevation: number of patients with LFT elevation. with elevation/ evaluated. Hy’s Law = ALT or AST > 3× ULN, ALP < 2× ULN, and bilirubin > 2× ULN. TKI: tyrosine kinase inhibitor; ULN: upper limit of normal; ALP: alkaline phosphatase; ALT: alanine aminotransferase; PY: person-years; SGPT: serum glutamic pyruvic transaminase; SGOT: serum glutamate-oxaloacetate transaminase.