Sentence examples for date of first operation from inspiring English sources

Follow-up started at the date of first operation.

The patients were followed up for cancer incidence from the date of first operation until death, or until 31 December 2005.

The time to recurrence was defined as duration between the date of first operation and date of detection of recurrence by diagnostic procedure (for those who recur) or last show-up date to our hospital (for those who do not recur).

All patients were divided into six groups according to interval between the date of their surgery (date of first surgery in cases when patients had more than one operation) and the date of start of radiation treatment (1 4 weeks, 5 6, 7 8, 9 12, 13 19 and 20 26 weeks).

Kaplan Meier survival analysis was performed to plot survival curves and to estimate point estimates of 5-year survival from the date of the first operation.

The patients were followed up for cancer incidence from the date of the first operation until death or until 31 December 2010.

However, because these studies started in 1973, several relevant study objectives were not available, i.e., exact dates of first diagnosis, operation, initial and follow up-data assessments and matching, socio-economic status, social support, spirituality etc.

"The date for the first operation of Hinkley Point C has not changed.

Time for these models was calculated from the date of first delivery to the date of operation (or censored appropriately).

Disease-free survival (DFS) was calculated from the date of operation to the date of first documented radiological recurrence.

Data examined include patient demographics, clinical and histopathologic characteristics of the tumor, date and type of operation, site and date of first (nodal) and second recurrence, method of detection of recurrence (i.e., patient or physician during standard follow-up), and status at last follow-up.