Predictors of survival in oesophageal cancer patients in a high-risk area in Northern Iran: the role of health services utilisation.

We aimed to determine predictors of survival in oesophageal cancer (EC) patients in a high-risk area. This study was conducted on EC patients diagnosed in 2007-2008 in Golestan province, Iran. Diagnostic (DU) and Therapeutic (TU) services utilisation indices were determined.