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 cohort
TKI cohort
Ineligible patients*
Eligible patients**
Ineligible patients*
Eligible patients**
( = 27,488)
( = 11,452)
value
()
()
value
%
%
%
%
Gender
Male
9,855
35.9
3,885
33.9
0.0003
418
49.9
254
47.3
0.35
Female
17,633
64.1
7,567
66.1
420
50.1
283
52.7
Age at diagnosis or start of TKI, years (mean (SD))
62.2 (13.28)
62.4 (13.21)
0.46
62.2 (14.04)
62.6 (14.30)
0.67
Health insurance type
Private
6,613
24.1
1,706
14.9
<0.0001
174
20.8
108
20.1
0.26
Public
3,404
12.4
1,301
11.4
115
13.7
81
15.1
Self
177
0.6
19
0.2
6
0.7
3
0.6
Mixed
7,089
25.8
2,345
20.5
235
28.0
175
32.6
Other/unknown
10,205
37.1
6,081
53.1
308
36.8
170
31.7
Cancer type
Breast
9,964
36.2
3,973
34.7
<0.0001
—
—
—
—
Cervical
474
1.7
130
1.1
—
—
—
—
Colorectal
4,019
14.6
2,054
17.9
—
—
—
—
Connective and other soft tissue
573
2.1
159
1.4
—
—
—
—
Head and neck
872
3.2
352
3.1
—
—
—
—
Gastric
407
1.5
165
1.4
—
—
—
—
Lung
6,306
22.9
3,152
27.5
—
—
—
—
Melanoma
950
3.5
260
2.3
—
—
—
—
Ovarian
980
3.6
460
4.0
—
—
—
—
Prostate
2,308
8.4
504
4.4
—
—
—
—
Renal
635
2.3
243
2.1
—
—
—
—
TKI type
Dasatinib
—
—
—
—
19
2.3
9
1.7
0.088
Erlotinib
—
—
—
—
435
51.9
296
55.1
Gefitinib
—
—
—
—
76
9.1
60
11.2
Imatinib
—
—
—
—
289
34.5
168
31.3
Lapatinib
—
—
—
—
16
1.9
2
0.4
Nilotinib
—
—
—
—
3
0.4
2
0.4
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.