13. STROBE statement -Methods section ①-
ITEM RECOMMENDATION
Study design Present key elements of study design early in the paper
Setting
Describe the setting, locations, and relevant dates, including
periods of recruitment, exposure, follow-up, and data
collection
Participants
Give the eligibility criteria, and the sources and methods of
selection of participants. Describe methods of follow-up
Variables
Clearly define all outcomes, exposures, predictors, potential
confounders, and effect modifiers. Give diagnostic criteria, if
applicable
Data sources/
measurement
For each variable of interest, give sources of data and details of
methods of assessment (measurement). Describe
comparability of assessment methods if there is more than
one group
14. Study design
不十分な情報
ー 転倒頭部外傷患者を
集めた観察研究
必要十分な情報
ー 単一施設?他施設?
ー 前向き?後ろ向き?
ー 介入?非介入?
例えば・・・
We performed a single centre, non-interventional, retrospective
study in the emergency department of Kurashiki Central Hospital
15. STROBE statement -Methods section ①-
ITEM RECOMMENDATION
Study design Present key elements of study design early in the paper
Setting
Describe the setting, locations, and relevant dates, including
periods of recruitment, exposure, follow-up, and data
collection
Participants
Give the eligibility criteria, and the sources and methods of
selection of participants. Describe methods of follow-up
Variables
Clearly define all outcomes, exposures, predictors, potential
confounders, and effect modifiers. Give diagnostic criteria, if
applicable
Data sources/
measurement
For each variable of interest, give sources of data and details of
methods of assessment (measurement). Describe
comparability of assessment methods if there is more than
one group
17. STROBE statement -Methods section ①-
ITEM RECOMMENDATION
Study design Present key elements of study design early in the paper
Setting
Describe the setting, locations, and relevant dates, including
periods of recruitment, exposure, follow-up, and data
collection
Participants
Give the eligibility criteria, and the sources and methods of
selection of participants. Describe methods of follow-up
Variables
Clearly define all outcomes, exposures, predictors, potential
confounders, and effect modifiers. Give diagnostic criteria, if
applicable
Data sources/
measurement
For each variable of interest, give sources of data and details of
methods of assessment (measurement). Describe
comparability of assessment methods if there is more than
one group
22. STROBE statement -Methods section ①-
ITEM RECOMMENDATION
Study design Present key elements of study design early in the paper
Setting
Describe the setting, locations, and relevant dates, including
periods of recruitment, exposure, follow-up, and data
collection
Participants
Give the eligibility criteria, and the sources and methods of
selection of participants. Describe methods of follow-up
Variables
Clearly define all outcomes, exposures, predictors, potential
confounders, and effect modifiers. Give diagnostic criteria, if
applicable
Data sources/
measurement
For each variable of interest, give sources of data and details of
methods of assessment (measurement). Describe
comparability of assessment methods if there is more than
one group
26. STROBE statement -Methods section ②-
ITEM RECOMMENDATION
Bias Describe any efforts to address potential sources of bias
Study size Explain how the study size was arrived at
Quantitative
variables
Explain how quantitative variables were handled in the
analyses. If applicable, describe which groupings were chosen
and why
Statistical
methods
(a) Describe all statistical methods, including those used to
control for confounding
(b) Describe any methods used to examine subgroups and
interactions
(c) Explain how missing data were addressed
(d) If applicable, explain how loss to follow-up was addressed
(e) Describe any sensitivity analyses
28. STROBE statement -Methods section ②-
ITEM RECOMMENDATION
Bias Describe any efforts to address potential sources of bias
Study size Explain how the study size was arrived at
Quantitative
variables
Explain how quantitative variables were handled in the
analyses. If applicable, describe which groupings were chosen
and why
Statistical
methods
(a) Describe all statistical methods, including those used to
control for confounding
(b) Describe any methods used to examine subgroups and
interactions
(c) Explain how missing data were addressed
(d) If applicable, explain how loss to follow-up was addressed
(e) Describe any sensitivity analyses
29. STROBE statement -Methods section ②-
ITEM RECOMMENDATION
Bias Describe any efforts to address potential sources of bias
Study size Explain how the study size was arrived at
Quantitative
variables
Explain how quantitative variables were handled in the
analyses. If applicable, describe which groupings were chosen
and why
Statistical
methods
(a) Describe all statistical methods, including those used to
control for confounding
(b) Describe any methods used to examine subgroups and
interactions
(c) Explain how missing data were addressed
(d) If applicable, explain how loss to follow-up was addressed
(e) Describe any sensitivity analyses
30. STROBE statement -Methods section ②-
ITEM RECOMMENDATION
Bias Describe any efforts to address potential sources of bias
Study size Explain how the study size was arrived at
Quantitative
variables
Explain how quantitative variables were handled in the
analyses. If applicable, describe which groupings were chosen
and why
Statistical
methods
(a) Describe all statistical methods, including those used to
control for confounding
(b) Describe any methods used to examine subgroups and
interactions
(c) Explain how missing data were addressed
(d) If applicable, explain how loss to follow-up was addressed
(e) Describe any sensitivity analyses
33. STROBE statement -results section ①-
ITEM RECOMMENDATION
Participants
(a) Report numbers of individuals at each stage of study
—eg npotentially eligible, included in the study, completing follow-up
(b) Give reasons for non-participation at each stage
(c) Consider use of a flow diagram
Descriptive data
(a) Give characteristics of study participants
—eg demographic, clinical, social and potential confounders
(b) Indicate number of participants with missing data for each
variable of interest
(c) Cohort study—Summarise follow-up time
Main results
(a) Give unadjusted estimates and, if applicable, confounder-
adjusted estimates and their precision (eg, 95%CI)
(b) Report category boundaries when continuous variables
were categorized
(c) If relevant, consider translating estimates of relative risk
into absolute risk for a meaningful time period
どうやって患者が選ばれたのか、
恣意的に選んだのではないのか?
・・・といった疑惑が生じないように記載する。
45. STROBE statement -results section ①-
ITEM RECOMMENDATION
Participants
(a) Report numbers of individuals at each stage of study
—e.g. potentially eligible, included in the study, completing follow-up
(b) Give reasons for non-participation at each stage
(c) Consider use of a flow diagram
Descriptive data
(a) Give characteristics of study participants
—eg demographic, clinical, social and potential confounders
(b) Indicate number of participants with missing data for each
variable of interest
(c) Cohort study—Summarise follow-up time
Main results
(a) Give unadjusted estimates and, if applicable, confounder-
adjusted estimates and their precision (eg, 95%CI)
(b) Report category boundaries when continuous variables
were categorized
(c) If relevant, consider translating estimates of relative risk
into absolute risk for a meaningful time period
48. STROBE statement -results section ①-
ITEM RECOMMENDATION
Participants
(a) Report numbers of individuals at each stage of study
—e.g. potentially eligible, included in the study, completing follow-up
(b) Give reasons for non-participation at each stage
(c) Consider use of a flow diagram
Descriptive data
(a) Give characteristics of study participants
—eg demographic, clinical, social and potential confounders
(b) Indicate number of participants with missing data for each
variable of interest
(c) Cohort study—Summarise follow-up time
Main results
(a) Give unadjusted estimates and, if applicable, confounder-
adjusted estimates and their precision (eg, 95%CI)
(b) Report category boundaries when continuous variables
were categorized
(c) If relevant, consider translating estimates of relative risk
into absolute risk for a meaningful time period
50. STROBE statement -results section ①-
ITEM RECOMMENDATION
Participants
(a) Report numbers of individuals at each stage of study
—e.g. potentially eligible, included in the study, completing follow-up
(b) Give reasons for non-participation at each stage
(c) Consider use of a flow diagram
Descriptive data
(a) Give characteristics of study participants
—eg demographic, clinical, social and potential confounders
(b) Indicate number of participants with missing data for each
variable of interest
(c) Cohort study—Summarise follow-up time
Main results
(a) Give unadjusted estimates and, if applicable, confounder-
adjusted estimates and their precision (eg, 95%CI)
(b) Report category boundaries when continuous variables
were categorized
(c) If relevant, consider translating estimates of relative risk
into absolute risk for a meaningful time period
52. STROBE statement -results section ①-
ITEM RECOMMENDATION
Participants
(a) Report numbers of individuals at each stage of study
—e.g. potentially eligible, included in the study, completing follow-up
(b) Give reasons for non-participation at each stage
(c) Consider use of a flow diagram
Descriptive data
(a) Give characteristics of study participants
—eg demographic, clinical, social and potential confounders
(b) Indicate number of participants with missing data for each
variable of interest
(c) Cohort study—Summarise follow-up time
Main results
(a) Give unadjusted estimates and, if applicable, confounder-
adjusted estimates and their precision (eg, 95%CI)
(b) Report category boundaries when continuous variables
were categorized
(c) If relevant, consider translating estimates of relative risk
into absolute risk for a meaningful time period
54. STROBE statement -results section ①-
ITEM RECOMMENDATION
Participants
(a) Report numbers of individuals at each stage of study
—e.g. potentially eligible, included in the study, completing follow-up
(b) Give reasons for non-participation at each stage
(c) Consider use of a flow diagram
Descriptive data
(a) Give characteristics of study participants
—eg demographic, clinical, social and potential confounders
(b) Indicate number of participants with missing data for each
variable of interest
(c) Cohort study—Summarise follow-up time
Main results
(a) Give unadjusted estimates and, if applicable, confounder-
adjusted estimates and their precision (eg, 95%CI)
(b) Report category boundaries when continuous variables
were categorized
(c) If relevant, consider translating estimates of relative risk
into absolute risk for a meaningful time period
57. STROBE statement -discussion-
ITEM RECOMMENDATION
Key results Summarise key results with reference to study objectives
Limitations
Discuss limitations of the study, taking into account sources of
potential bias or imprecision.
Discuss both direction and magnitude of any potential bias
Interpretation
Give a cautious overall interpretation of results considering
objectives, limitations, multiplicity of analyses, results from
similar studies, and other relevant evidence
Generalisability
Discuss the generalisability (external validity) of the study
results