Association of timing of initiation and incompletion of chemotherapy.

aadjusted by age, gender, race, marital status, SEER regions, residential places, median income, % at least.high school diploma, % not speaking English well or at all at 65 years and older at census tract level,year of diagnosis, T4 lesions, poorly differentiated or undifferentiated tumor grade, obstruction at disease.presentation, perforation at disease presentation, hospitalization or oxygen, wheelchair use within 1 year prior to cancer diagnosis, length of hospital stay after surgery and number of readmission after surgery.bpropensity score matching 1∶1 on Conditional logistic regression was fit on the matched sample (n = 1,996).cpropensity score matching 1∶1 on Conditional logistic regression was fit on the matched sample (n = 964).Association of timing of initiation and incompletion of chemotherapy.