advantages of hospital based case control study
Báo cáo y học: "Comparative study of control selection in a national population -based case-control study: Estimating risk of smoking on cancer deaths in Chinese men"
Ngày tải lên :
26/10/2012, 09:48
... con-
sistent pattern of the effect of smoking on risk of can-
cer deaths.
TABLE 1. Characteristics of cases and two control groups:
Population -based case- control study of smoking on risk of
cancer deaths ... All rights reserved
Research Paper
Comparative study of control selection in a national population -based
case- control study: Estimating risk of smoking on cancer deaths in Chinese
men
Jingmei ... conducted as the study base.
Cases and two groups of controls were obtained
within the study base: 130,079 males who died of
smoking-related cancers at age 35 or over were de-
fined as cases. These...
- 9
- 532
- 1
Báo cáo y học: "Prescription channeling of COX-2 inhibitors and traditional nonselective nonsteroidal anti-inflammatory drugs: a population-based case–control study" pot
Ngày tải lên :
09/08/2014, 06:22
... included in the formulary of reimbursed medications.
A population -based case control study was conducted in
which the prevalence of risk factors and the medical histories of
patients prescribed ... compared. The study population
consisted of a random sample of members of the Quebec drug
plan (age 18 years or older) who received at least one
dispensation of celecoxib (n = 42,422; cases), rofecoxib ... employee of Pharmacia Corpo-
ration at the time the study was conducted.
Authors' contributions
YM, as principal investigator of the study, designed and
coordinated the study, interpreted study...
- 10
- 388
- 0
Báo cáo hóa học: " Solvent exposure and malignant lymphoma: a population-based case-control study in Germany" pptx
Ngày tải lên :
20/06/2014, 00:20
... years,
of cases having B-NHL (n = 554) 60.2 ± 13.6 years; and of
cases having T-NHL (n = 35) 50.6 ± 17.0 years. Of the 710
case- control pairs, 55% are male and 45% are female. The
average number of ... results of a Canadian case- con-
trol study, including 517 cases and 1,506 control subjects
[26]. In a more recent study among nearly 5,000 Finnish
laboratory workers seven NHL cases and three HL cases
were ... question-
naires in a lung cancer case reference study. In Proceedings of
the Workshop on Methodology of Assessment of Occupational Exposures
in the Context of Epidemiology Detection of Cancer Risks, Paris,...
- 11
- 456
- 0
Báo cáo y học: "Tapasin gene polymorphism in systemic onset juvenile rheumatoid arthritis: a family-based case–control study" pot
Ngày tải lên :
09/08/2014, 06:22
... they may be biased if cases and con-
trols have different ethnic backgrounds because of popula-
tion stratification. Family -based control studies are less
powerful because of overmatching, but ... Division of Pediatric Rheumatology, Cincinnati Children's Hospital Medical Center, University of Cincinnati, Cincinnati, Ohio, USA
2
Department of Epidemiology and Biostatistics, Case Western ... then 20%
of cases and is a rare disease. In the past, because of the
small sample sizes, studies conducted by single centers
failed to establish strong genetic associations. The present
study was...
- 6
- 361
- 0
Báo cáo khoa học: "Breast cancer risk factors in Turkish women – a University Hospital based nested case control study" pps
Ngày tải lên :
09/08/2014, 04:21
... acquisition of data, helped in design of the
study. NC participated drafting of the manuscript, editing
of final version. RD performed the statistical analysis. TO
helped to acquisition of data. ... 1 of 8
(page number not for citation purposes)
World Journal of Surgical Oncology
Open Access
Research
Breast cancer risk factors in Turkish women – a University Hospital
based nested case control ... university hospital based nested case- control study was conducted.
Methods: Between January 2000 and December 2006, a survey was prospectively conducted
among women admitted to clinics of Istanbul...
- 8
- 307
- 0
The Diesel Exhaust in Miners Study: A Nested Case–Control Study of Lung Cancer and Diesel Exhaust pptx
Ngày tải lên :
22/03/2014, 17:20
...
cause of death; 80% of control subjects who were current smokers
of one or more packs per day died of a smoking-related cause
compared with 60% of control subjects who never smoked.
This study ... cancer. Of the 217 eligible
case subjects identified, we interviewed 213 (98.1%) of their next
of kin.
Control Subject Selection for the Nested Case Control
Study
Based on incidence density ... cancer based on review of pathology material; 10 case subjects
did not have any eligible control subjects (because of race/ethnicity
for nine nonwhite or Hispanic case subjects and age for one case...
- 14
- 328
- 0
báo cáo hóa học:" A MIF haplotype is associated with the outcome of patients with severe sepsis: a case control study" pdf
Ngày tải lên :
18/06/2014, 15:20
... 1 of 8
(page number not for citation purposes)
Journal of Translational Medicine
Open Access
Research
A MIF haplotype is associated with the outcome of patients with
severe sepsis: a case control ... LG: The SOFA (Sepsis-related Organ
Failure Assessment) score to describe organ dysfunction/
failure. On behalf of the Working Group on Sepsis-Related
Problems of the European Society of Intensive ... comparable
to both control groups. However, the genotype and allele frequencies of both polymorphisms were
associated significantly with the outcome of severe sepsis. The highest risk of dying from...
- 8
- 554
- 0
Báo cáo hóa học: "Prognostic impact of clinical course-specific mRNA expression profiles in the serum of perioperative patients with esophageal cancer in the ICU: a case control study" potx
Ngày tải lên :
18/06/2014, 16:20
... Prognostic impact of clinical course-
specific mRNA expression profiles in the serum of perioperative
patients with esophageal cancer in the ICU: a case control study.
Journal of Translational ... line refer to IL-6 mRNA, IL-6,
mean of normal IL-6 level in plasma, and predictive cut-off level of IL-6 mRNA, respectively. (c) SPSS software analysis of the AUC of the ROC
curve was 0.809 and 0.453 ... in the
study of these cytokines.
TGF-a mRNA in serum has previously been described
as a prognosticator in fulminant hepatitis [11] although
this was not the case in our study. Expression of CRP
mRNA...
- 11
- 746
- 0
Báo cáo hóa học: "Case-Control study of Firefighters with documented positive tuberculin skin test results using Quantiferon-TB testing in comparison with Firefighters with negative tuberculin skin test results" potx
Ngày tải lên :
20/06/2014, 00:20
... effectively monitored our working population. 12.9% of the 148 cases, and 3.2% of
the 220 controls had a positive QFT result. Another 14.8% of cases and 4.5% of controls had
conditionally positive QFT results. ... direct part of the study,
we noted that a subset of the subject cases (35) have had
recent TBST's (within the last 3 years) as part of their
ongoing medical evaluations. Only 4 of the cases had ... (34.0%) of the total 368 firefighters,
and were equally distributed among cases and controls.
For all positive TBST cases, 47 (31.8%) of 148 were posi-
tive for MA, while 78 (35.5%) of 220 positive...
- 7
- 360
- 0
báo cáo hóa học: " The role of cumulative physical work load in symptomatic knee osteoarthritis – a case-control study in Germany" potx
Ngày tải lên :
20/06/2014, 00:20
... by cases
would lead to an overestimation of risks. Otherwise, a
non-differential overestimation of physical workload (in
both cases and control subjects) would lead to an under-
estimation of ... and a non-differential approach to
cases and controls. Participants were not informed of the
specific aims of the study. They were asked to participate
in a study concerning the theme 'occupation ... tertile of exposed control subjects comprised more
than 10% of all (exposed plus non-exposed) control sub-
jects, a high-dose category was generated according to the
95
th
percentile of control...
- 8
- 518
- 0
báo cáo hóa học:" Predictive value of ovarian stroma measurement for cardiovascular risk in polycyctic ovary syndrome: a case control study" pptx
Ngày tải lên :
20/06/2014, 07:20
... number of follicles, whereas it is not
expression of PCOS endocrine impairment.
In this study, reproducibility of the measurements of
stromal volume was very close to that of ovarian volume
and of ... the diagnosis of PCOS,
the absence of previous pregnancy or previous hormone
or any other medical treatment and age ≤ 27 years.
Diagnosis of PCOS was based on the presence of
two out of three criteria ... and dou-
bling of cross-sectional ovarian area, observed by ultra-
sound, has been shown to be expression of a marked
increase (33%) of cortical portion, and of a five-fold
increase of medullar...
- 7
- 422
- 0
báo cáo hóa học:" Double disadvantage: a case control study on health-related quality of life in children with sickle cell disease" potx
Ngày tải lên :
20/06/2014, 15:20
... disadvantage: a case control
study on health-related quality of life in children with sickle cell
disease. Health and Quality of Life Outcomes 2010 8:121.
Hijmans et al. Health and Quality of Life Outcomes ... and Quality of Life Outcomes 2010, 8:121
http://www.hqlo.com/content/8/1/121
Page 6 of 8
RESEARC H Open Access
Double disadvantage: a case control study on
health-related quality of life in children ... the
subjective HRQoL of children with SCD.
While interpreting the results of this study, s trengths
and limitations should be taken into account. Findings
of this study are strengthened by the use of a well-stan-
dardized...
- 8
- 466
- 0
Báo cáo y học: " ncremental cost effectiveness of proton pump inhibitors for the prevention of non-steroidal anti-inflammatory drug ulcers: a pharmacoeconomic analysis linked to a case-control study" potx
Ngày tải lên :
09/08/2014, 01:22
... Number of procedures Tariff list hospitals 369.71
Surgery:
Suture of perforation Number of operations Tariff list hospitals 870.79
Partial stomach resection Number of operations Tariff list hospitals ... Number of procedures Tariff list hospitals 134.01
CT scan: abdomen Number of procedures Tariff list hospitals 198.85
CT scan: thorax Number of procedures Tariff list hospitals 228.85
MRI Number of ... of laboratory tests Number of procedures Tariff list hospitals 13.85
Microbiology culture Number of procedures Tariff list hospitals 30.97
Pathology testing Number of procedures Tariff list hospitals...
- 7
- 381
- 0
báo cáo khoa học: "The efficacy of preopoerative instruction in reducing anxiety following gyneoncological surgery: a case control study" pptx
Ngày tải lên :
09/08/2014, 01:24
... treated.
2. Methods
2.1. Type of the Study
This is a qua si-experimental research based on one
study group and one control group and it focuses on
the study of the i mpact of systematic preoperative
instruction ... found that anxiety was experi-
enced at a rate of 80% and the fear of not being able to
get rid of cancer and the fear of impairment of the qual-
ity of life were p articularly effective on anxiety. ... given
are effective in reducing the level of anxiety [14-16].
Ozdemir and Pasinlioglu (2009) found in their study on
34 study group cases and 32 control group cases under-
going hysterectomy with...
- 8
- 365
- 2