Table 2 Multivariable linear regression of factors associated with PMI at follow-up CT scan, N = 474. Reference values for continuous variables are their 75th and 25th percentiles
Characteristic | Geometric mean ratio | 95% CI | P-value |
|---|---|---|---|
PMI at baseline [7.7 vs 4.9] | 1.32 | 1.25, 1.40 | < 0.01 |
Age at baseline [67 vs. 53] | 0.93 | 0.87, 0.99 | 0.01 |
Years from chemotherapy to follow-up CT [0.6 vs 0.2] | 1.03 | 0.97, 1.09 | 0.44 |
Stage | 0.91 | ||
I or II | 1 (Ref.) | ||
III or IV | 1.00 | 0.95, 1.05 | |
Unknown | 1.04 | 0.95, 1.14 | |
Smoking history | < 0.01 | ||
Never | 1 (Ref.) | ||
Ever | 0.94 | 0.91, 0.98 | |
Sex | < 0.01 | ||
Female | 1 (Ref.) | ||
Male | 1.12 | 1.06, 1.20 | |
Cancer Type | 0.19 | ||
Breast | 1 (Ref.) | ||
Lymphoma | 1.00 | 0.93, 1.07 | |
Sarcoma | 0.95 | 0.88, 1.02 | |
Treatment | 0.64 | ||
Anthracyclines | 1 (Ref.) | ||
Trastuzumab | 1.04 | 0.96, 1.12 | |
Both | 1.01 | 0.93, 1.09 |