The effect of smoking habits on pulmonary function (Part 1)

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  • 喫煙習慣の呼吸機能に及ぼす影響(第1報)
  • 喫煙習慣の呼吸機能に及ぼす影響-1-
  • キツエン シュウカン ノ コキュウ キノウ ニ オヨボス エイキョウ 1

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Abstract

In this report, pulmonary function tests (MEFVC and V-T curve) were performed for non-smoking students and for students who had acquired the smoking habit. The analyses were performed by MEFV pattern recognition, and by forward selection procedure (FSP) and all-possible selection procedure (APSP). The results were as follows; 1) In students with mild smoking habits, PF/Ht and V75/Ht showed a reduction compared with non-smoking students. 2) The MEFV pattern in students with mild smoking habits, was concave compared with that in non-smoking students; 3) FEV1.0%, PF/Ht and V50/Ht were selected as effective parameters between non-smoking students and students with mild smoking habits on the results of FSP and APSP tests.

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