Table 4.
Multinomial logistic regression analyses assessing the effects of comorbidity on the interval between breast cancer diagnosis and surgical operation among female Department of Defense beneficiaries, 2001–2007.
| Surgical operation | Time interval | Comorbidity
|
OR (95% CI) 3 | |||
|---|---|---|---|---|---|---|
| Charlson index=0
|
Charlson index≥1
|
|||||
| N | % | N | % | |||
| Any | ||||||
| Within 2 months 1 | 4,098 | 81% | 332 | 70% | Reference | |
| More than 2 months | 976 | 19% | 141 | 30% | 1.27 (1.14–1.41) * | |
| BCS2 | ||||||
| Within 2 months 1 | 2,164 | 83% | 138 | 73% | Reference | |
| More than 2 months | 458 | 18% | 51 | 27% | 1.26 (1.07–1.50) * | |
| Mastectomy | ||||||
| Within 2 months 1 | 1,934 | 79% | 194 | 68% | Reference | |
| More than 2 months | 518 | 21% | 90 | 32% | 1.26 (1.11–1.47) * | |
1
Initial breast surgery performed within 1–2 month of the breast cancer diagnosis
2
Breast conserving surgery
3
Adjusted for radiation, age at diagnosis, race, marital status, duty status at diagnosis, year of diagnosis, tumor stage, tumor grade, tumor size, estrogen receptor status, chemotherapy, and hormonal therapy.
4
One patient with missing time interval information was not included in this analysis.
*
p<0.05