FINGERNAIL GROWTH RATE IN A NORMAL CHINESE POPULATION |
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| Authors: | DANG Hong ZHU Guang-dou |
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| Affiliation: | DANG Hong(Department of Dermatology and Venereology, the First People's Hospital, Shanghai Jiaotong University, Shanghai 200080, China)；ZHU Guang-dou(Department of Dermatology and Venereology, the First People's Hospital, Shanghai Jiaotong University, Shanghai 200080, China)； |
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| Abstract: | Objective To investigate fingernail growth rate (FNGR) role in the physiological or pathological status of the fingernails in normal Chinese population. Methods The FNGR was measured with vernier caliper. The data of 1 595 fingernails from 208 normal Chinese subjects (including 96 men and 112 women; age ranging from 14 to 78 years) were analyzed. Results The average FNGR was (0.104±0.027) mm per day. Higher growth rates were observed in males than in females, in the young individuals than in the old individuals, in summer than in winter, and in the right hand than in the left hand, respectively. The FNGR differed among fingernails and decreased in order of precedence: middle fingernails, index fingernails or ring fingernails, thumb and little fingernails. Conclusion FNGR was significantly associated with age, gender and temperature. Different fingernail grew at an individual speed. |
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