作者: R Michael Sly , Simin Ghazanshahi , Bhirom Buranakul , Paiboon Puapan , Sushma Gupta
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摘要: The ratio of the depth index finger at base nail (DPD) divided by distal interphalangeal joint (IPD) has been reported useful in evaluating subjects for presence digital clubbing. A which exceeds 1 considered abnormal. This relationship was independent age and sex. To determine whether DPD/IPD race, measurements were made casts fingers 80 normal subjects: 20 North American Caucasians, Iranians, Negroes, Orientals. No significant difference found among mean ratios significantly larger Iranians as compared with Negroes may have related to method selection former group. It is concluded that probably race. These observations further confirm a assessing