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- 山下 延男
- 関東逓信病院放射線科
書誌事項
- タイトル別名
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- Required sample sizes in clinical trials for lung cancer treatment results that the survival-time patterns of patients have lognormality
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説明
In this paper the author tried to calculate sample sizes for clinical trials in lung cancer treatment results that the survival-time patterns of patients have lognormality using the Owen's noncentral t-distribution and given following tables.<BR>The table la and lb are given the relation between the expected difference Δμ in logmean and the required sample sizes that should be included in each group of a clinical trial in lung cancer treatment results in oder to have a 90% (β=0.90), 70% (β=0.70) and 50% (β=0.50) probability detecting significant difference (!α=0.05, α=0.01) in results and covered any value of the difference ranging from 0.03 to 0.30 and any value of ranging from 0.30 to 0.50.
収録刊行物
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- 肺癌
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肺癌 14 (2), 79-82, 1974
特定非営利活動法人 日本肺癌学会
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詳細情報 詳細情報について
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- CRID
- 1390282679659026432
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- NII論文ID
- 110003125904
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- NII書誌ID
- AN00203978
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- ISSN
- 13489992
- 03869628
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可