Research Article

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

Table 1

Baseline demographics for ineligible patients and eligible patients: EMR database.

Cancer cohortTKI cohort
Ineligible patients*Eligible patients**Ineligible patients*Eligible patients**
( = 27,488)( = 11,452) value ( )( ) value
% % % %

Gender
 Male9,855 35.93,885 33.90.000341849.925447.30.35
 Female17,633 64.17,567 66.142050.128352.7
Age at diagnosis or start of TKI, years (mean (SD))
62.2 (13.28)62.4 (13.21)0.4662.2 (14.04)62.6 (14.30)0.67
Health insurance type
 Private6,613 24.11,706 14.9<0.000117420.810820.10.26
 Public3,404 12.41,301 11.411513.78115.1
 Self177 0.619 0.260.730.6
 Mixed7,089 25.82,345 20.523528.017532.6
 Other/unknown10,205 37.16,081 53.130836.817031.7
Cancer type
 Breast9,964 36.23,973 34.7<0.0001
 Cervical474 1.7130 1.1
 Colorectal4,019 14.62,054 17.9
 Connective and other soft tissue573 2.1159 1.4
 Head and neck872 3.2352 3.1
 Gastric407 1.5165 1.4
 Lung6,306 22.93,152 27.5
 Melanoma950 3.5260 2.3
 Ovarian980 3.6460 4.0
 Prostate2,308 8.4504 4.4
 Renal635 2.3243 2.1
TKI type
 Dasatinib192.391.70.088
 Erlotinib43551.929655.1
 Gefitinib769.16011.2
 Imatinib28934.516831.3
 Lapatinib161.920.4
 Nilotinib30.420.4
Follow-up time (months); mean (SD)21 (19)11 (12)

Ineligible patients did not meet the eligibility requirements for the cohort (see Figures 1 and  2). **Eligible patients had to have a normal baseline LFT value taken 30 days of index date and one follow-up LFT after index date. SD: standard deviation; TKI: tyrosine kinase inhibitor.