Sentence examples for until the index date from inspiring English sources

Exposures to SSRIs, other antidepressants and other drugs were defined as any use of these drugs which lasted until the index date or when discontinued within 7 days before the index date (the day on which first symptoms of upper GI bleeding started).

Maintained prescription drug coverage through KPNW since January 1999 (until the index date).

Contributed continuous membership in KPNW since January 1999 (until the index date).

Residential history was constructed for the period starting from the date of production of the adjacent NPP until the index date.

23, 24 Duration of diabetes was computed as the time elapsed from the first record of diabetes treatment or hospital diagnosis until the index date.

Residential history of these cases as well as their matched controls was constructed since the start-up of the NPPs until the index date.

Patients were followed from January 1999 until December 2009; the index date was defined as the date of the first prescription of fixed combination treatment after a diagnosis of COPD.

We used the Danish National Patient Registry (DNPR) 26 to retrieve patients' history of hospital encounters from birth or DNPR establishment, whichever came last, until and including the index date.

NSAID use since entry into GPRD until a year before the index date was also examined.

Statin exposure was determined based on all prescriptions for statins until 1 year before the index date (date of diagnosis or equivalent date for controls).

Eligible incident cancer events had to occur one year after the index date until the end of 2007.