Warning: Undefined array key "mm" in /www/wwwroot/www.ai-bt.com/si.php on line 10 Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /www/wwwroot/www.ai-bt.com/si.php on line 10 Statistics and ethics in medical research: III How large a sample?

Literature DB >> 7437789

Statistics and ethics in medical research: III How large a sample?

D G Altman.

Abstract

Keywords: Biomedical and Behavioral Research

Mesh：

Year: 1980 PMID： 7437789 PMCID： PMC1714734 DOI： 10.1136/bmj.281.6251.1336

Source DB: PubMed Journal: Br Med J ISSN： 0007-1447

× No keyword cloud information.

4 in total

1. The importance of beta, the type II error and sample size in the design and interpretation of the randomized control trial. Survey of 71 "negative" trials.

Authors: J A Freiman; T C Chalmers; H Smith; R R Kuebler
Journal: N Engl J Med Date: 1978-09-28 Impact factor: 91.245

2. Clinical trial design in cancer.

Authors: R F Mould
Journal: Clin Radiol Date: 1979-07 Impact factor: 2.350

3. The number of patients required in a clinical trial.

Authors: J W Boag; J L Haybittle; J F Fowler; E W Emery
Journal: Br J Radiol Date: 1971-02 Impact factor: 3.039

4. Design and analysis of randomized clinical trials requiring prolonged observation of each patient. I. Introduction and design.

Authors: R Peto; M C Pike; P Armitage; N E Breslow; D R Cox; S V Howard; N Mantel; K McPherson; J Peto; P G Smith
Journal: Br J Cancer Date: 1976-12 Impact factor: 7.640

4 in total

122 in total

1. [Higher prevalence of depressive and anxiety symptoms in early arthritis patients in comparison to the normal population].

Authors: D Freier; M Englbrecht; V Höhne-Zimmer; J Detert; G-R Burmester
Journal: Z Rheumatol Date: 2019-11 Impact factor: 1.372

8. The impact of intermittent exercise in a hypoxic environment on redox status and cardiac troponin release in the serum of well-trained marathon runners.

Authors: Feifei Li; Jinlei Nie; Yifan Lu; Tom Kwok Keung Tong; Longyan Yi; Huiping Yan; Frank Hoo Kin Fu; Shengxia Ma
Journal: Eur J Appl Physiol Date: 2016-08-29 Impact factor: 3.078

9. Myocardial infarct size and mortality in diabetic patients.

Authors: D J Gwilt; M Petri; P W Lewis; M Nattrass; B L Pentecost
Journal: Br Heart J Date: 1985-11

10. Polymorphic acetylation: lack of influence of rheumatic disease activity and concomitant drug administration.

Authors: C Astbury; C Beyeler; H A Bird
Journal: Rheumatol Int Date: 1995 Impact factor: 2.631

Statistics and ethics in medical research: III How large a sample?

1. The importance of beta, the type II error and sample size in the design and interpretation of the randomized control trial. Survey of 71 "negative" trials.

2. Clinical trial design in cancer.

3. The number of patients required in a clinical trial.

4. Design and analysis of randomized clinical trials requiring prolonged observation of each patient. I. Introduction and design.

1. [Higher prevalence of depressive and anxiety symptoms in early arthritis patients in comparison to the normal population].

2. Growth hormone and recurrence of tumour.

3. Critical appraisal of published research: introductory guidelines.

4. The association between cervical spine curvature and neck pain.

5. A comparison of diltiazem and metoprolol in hypertension. Swedish Diltiazem-Metoprolol Multicentre Study Group.

6. Faster and more reliable absorption of adrenaline by aerosol inhalation than by subcutaneous injection.

7. Why perform a priori sample size calculation?

8. The impact of intermittent exercise in a hypoxic environment on redox status and cardiac troponin release in the serum of well-trained marathon runners.

9. Myocardial infarct size and mortality in diabetic patients.

10. Polymorphic acetylation: lack of influence of rheumatic disease activity and concomitant drug administration.