The wide-open spaces and narrow hopes of the characters in "Middle Cyclone" could come from any of the many stages of Case's life.
The two stages of case ascertainment include 1) detection of suspected cases, and 2) confirmation of the clinical diagnosis [ 30].
A central coordinating centre will monitor data quality at the stages of case ascertainment, medical record abstraction and data management.
The stage of cases diagnosed during 1993 2000 was compared with stage of cases diagnosed during 2001 2005 by converting the stage to a score.
The nurse was also taught how to encode and to determine the stage of cases of solid tumors.
For determining the stage of cases of lymphomas and carcinomas, the recommendations of the American Joint Committee on Cancer (AJCC) and the International Union Against Cancer (IUAC) were used [ 14].
As for tumour stage, 64% of cases were FIGO stage I, 14% stage II, 15% stage III, and 7% stage IV.
In the first stage of case finding, a house to house survey of all the 184 families was done.
This will confer a bias in favour of screening, which will be addressed at the analysis stage of case-study 2 by performing sensitivity analyses.
The pT stages of 181 cases were non-invasive (Ta, Figure 1A) or early invasive (T1), and the other 159 cases were advanced stages (T2 ~ T4).
