Please select the eligibility criteria that correspond to the clinical trial below.
Title: Can Screening People Registering With Primary Care Improve the Detection of Tuberculosis? A Cluster Randomised Controlled Trial in an East London Primary Care Trust
Brief Summary: This randomised controlled trial tests whether screening people registering with general practices cost-effectively increases the detection of tuberculosis. The study objectives are to:

1. recruit, and randomise with stratification, forty Hackney general practices to usual activity or screening for TB primarily during registration health checks (by practice nurses and GPs) and transfer-in visits for children (by health visitors)
2. implement a screening programme comprising education, resources and clinical support for intervention practices using proven behaviour change strategies
3. gather outcomes and costs
4. build research capacity within an ELENoR Primary Care Research Team and across a Primary Care Trust.

The primary outcome is the proportion of TB cases identified in primary care. The study is powered to detect a 20% increase (from 55% to 75%) in the detection of new cases of TB in primary care with 80% power at the 5% significance level. Secondary outcomes are rates of prophylaxis for latent TB infection (LTBI), BCG immunisation, smear negative (early) TB and costs. Analyses will be by intention to treat.


Options:
A: Inclusion Criteria:

Hospital inclusion criteria:

1. An Ontario hospital with a procedure volume of 15 or more major rectal cancer resections per year for fiscal years 1996 to 1998.

Patient inclusion criteria:

1. Consecutive patients at each participating site who underwent major rectal cancer surgery.
2. Tumor located within 15 cm of anal verge by rigid sigmoidoscopy, or, at or below the level of the sacral promontory at the time of surgery.

Exclusion Criteria:

-
B: Inclusion Criteria:

* Age 18 or over.
* Treated during the study duration
* Primary or secondary discharge diagnoses of NVUGIB (per charted ICD-10 code). Additional confirmation of NVUGIB using endoscopic findings or patient symptoms done as previous.

Exclusion Criteria:

* Patients initially assessed at another institution for the present episode of NVUGIB and subsequently transferred to the participating site with unavailable initial data.
* Endoscopy noted no gastro-duodenal ulcer bleeding, to ensure patient homogeneity.
C: Inclusion Criteria:

The intervention is screening for TB in general practices which were randomised to control or intervention

Exclusion Criteria:

Practices that refused to participate could not be included. We excluded the general practice where the pilot study was undertaken
D: Inclusion Criteria for Hospitals

Hospitals were invited to participate in the study if they fulfill the following criteria:

* have an Institutional Review Board (IRB), or existing committee which could serve as such, or have an agreement with an IRB which reviews the research protocols implemented in the hospital;
* have at least 500 vaginal deliveries per year;
* do not have an explicit policy for selective episiotomy and for active management of third stage of labor;
* are located within the study area in Argentina and Uruguay; and
* agree to participate in the study.

Exclusion Criteria for Hospitals

Preselected hospitals are performing baseline data collection. According to the results of the analysis of the baseline data collection, hospitals will be excluded if the episiotomy rate is low or the rate of active management of the third stage of labor is high, according to the following cut-off points:

* Episiotomy rate in spontaneous vaginal deliveries below 20%
* Rate of active management of third stage of labor over 25%

The sample size of the study was increased to allow for exclusions.

Expectant management is defined as "a hands-free policy" during third stage of labor until the placenta is expelled: no use of uterotonics or special maneuvers.

Sampling, Recruitment, and Screening Procedures

Latin American Center for Perinatology (CLAP) coordination team will be responsible for the hospital selection. The hospitals' fulfillment of selection criteria will be obtained through a survey of the Heads of the Obstetrical Departments.

Besides the selection criteria, the coordination unit will invite the hospitals to participate according to:

* their participation in previous trials coordinated by CLAP,
* their participation in other trials or research activities, and
* their location.

Of particular interest are the characteristics of each preselected hospital regarding the structure of the professional staff, number of deliveries, and clinical guidelines policy.

Answer: C