Patients were asked additionally to indicate their level of fatigue, physical activity, and pain before diagnosis retrospectively, 1 year before diagnosis and 3 years before diagnosis.
Samples collected before 1999 were retrospectively assessed for HER2 expression by IHC.
As of July 9, 2013, there have been 624 reported cases of HPS in 34 states, including 31 cases that occurred before 1993 and were retrospectively diagnosed from archived autopsy tissues or convalescent serum samples (15 – 15 ).
Oka et al [ 77] retrospectively examined "before and after" outcomes over 17 years, for 52 patients with a diagnosis of schizophrenia discharged from a Japanese hospital between 1976 and 1990 who had taken part in inpatient occupational therapy, six days per week, in an integrated supported employment programme prior to discharge.
Respondents' assessments of annoyance with the before-change conditions, made retrospectively after the change, were quite different from the assessments of annoyance that they made before the change occurred, though most of this difference was contributed by 8 of the 20 respondents.
First, loan terms have been changed retrospectively before – for example, the repayment threshold jumped from £10,000 to £15,000 for new and existing borrowers in the 2000s.
This study involved assessing 75 consecutive radiographs retrospectively (before introduction of "tip apex distance" to surgeons) and 83 consecutive radiographs prospectively (after introduction of "tip apex distance" to surgeons).
Patients registered before 1994 were retrospectively evaluated for diagnostic criteria.
Residual specimens were stored at –80°C before being tested retrospectively for this study.
To document exacerbations retrospectively before (6 month preceding inclusion) and prospectively (number, severity, treatment, time to next exacerbation) after inclusion.
