Criteria of impairment of pulmonary function using Japanese standard values

Masao Nakamura, Yukinori Takahashi, Takashi Ohrui, Mutsuo Yamaya, Hiroshi Kubo, Muneo Numasaki, Hidetada Sasaki

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

According to the law of functional impairment, cases of impairment of pulmonary function are designated as 1st, 3rd and 4th grade impairment. The criteria of pulmonary function a based on Baldwin's predicted values. Recently, the Japanese Respiratory Society reported the Japanese standard values for pulmonary function. In the present study, we compared the numbers of patients classified into the three grades using the Japanese values and Baldwin's values. We found that from about 10 to 20 percent of patients appeared in a higher grade when Japanese standard values were used instead of Baldwin's values. We suggest that Japanese standard values should be used in order to judge the impairment of these patients.

Original languageEnglish
Pages (from-to)925-928
Number of pages4
JournalNihon Kokyūki Gakkai zasshi = the journal of the Japanese Respiratory Society
Volume40
Issue number12
Publication statusPublished - 2002 Dec

ASJC Scopus subject areas

  • Medicine(all)

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