Table 1.
Baseline Characteristics of Study Population
Variable | All aNSCLC patients | aNSCLC patients who received a mutation test | aNSCLC patients who did not receive a mutation test | p-values | Mutation-positive aNSCLC patients | aNSCLC patients without a test or with negative test result | p-values |
---|---|---|---|---|---|---|---|
N | 1741 | 458 | 1283 | 458 vs. 1283 patients | 122 | 1619 | 122 vs. 1619 patients |
Age at index date | |||||||
Mean | 66 97 | 66 51 | 67·13 | 0.441 | 66 17 | 67·03 | 0·633 |
(Median | SD) | (68 |10.20) | (68 | 10.41) | (68 | 10.13) | (69 | 11.35) | (68 | 10.11) | ||
Gender | |||||||
Female, N (%) | 520 (29·87) | 176 (38·43) | 344 (26·81) | < 0.001 | 56 (45·90) | 464 (28·66) | < 0.001 |
TNM status at index date1 | |||||||
IIIB2 (%) | 32·17 | 31·00 | 32·58 | 0·535 | 26·23 | 32·61 | 0·146 |
IV2 (%) | 43 71 | 43 45 | 43 80 | 0·896 | 41·80 | 43·85 | 0·660 |
IIIB and IV2 (%) | 24·12 | 25·55 | 23·62 | 0·407 | 31 ·97 | 23·53 | 0 ·036 |
At least 1 all-cause hospitalization in baseline2 | |||||||
% of patients | 75.99 | 71·18 | 77·71 | 0·005 | 67·21 | 76·65 | 0·019 |
Number of chronic drugs2,3 | |||||||
Mean | 4·70 | 4·43 | 4·69 | 0·767 | 4·87 | 4·68 | 0·886 |
(Median | SD) | (4 | 3·91) | (4 | 4·89) | (4 | 3·92) | (4 |4·29) | (4 |3·88) | ||
Charlson Comorbidity Index (CCI) 2 | |||||||
Mean | 9·91 | 9·71 | 9·98 | 0·078 | 9·66 | 9·93 | 0·053 |
(Median | SD) | (10 | 2·75) | (9 | 2·90) | (10 | 2) | (9 | 2·62) | (10 | 2·76) |
Legend: Table 1 describes baseline characteristics of observed incident aNSCLC patients as well as those of subgroups based on mutation testing and results of the mutation testing
1TNM stage IIIB ICD-10 codes: C34.8, C.77.0/.1/.2/.3/.4/.5/.8; TNM stage IV ICD-10 codes: C78.X-C79.X; IIIB and IV: Patients who received which had both diagnoses on the same day or within 30 days
2Based on 12 months baseline period
3Defined as at least 2 different prescriptions per ATC class in baseline period