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Table 2 Prescription frequencies of Chinese herbal products (by gender, age and types of herbs), 1997–2003*

From: Prescription profile of potentially aristolochic acid containing Chinese herbal products: an analysis of National Health Insurance data in Taiwan between 1997 and 2003

Herbal products Gender Age (years)
Male Female <12 12–18 19–34 35–59 60–75 ≥76
Any CHPs 35.4 41.8 11.1 7.3 23.6 26.5 7.2 1.6
AA-CHPs 25.9 31.6 6.8 5.8 17.6 20.6 5.6 1.2
Types of AA herbs included
Xixin 14.8 20.2 4.9 3.1 9.8 12.7 3.7 0.8
Madouling 0.2 0.3 0.1 -- 0.1 0.2 0.1 --
Tianxianteng -- -- -- -- -- -- -- --
Herbs potentially adulterated by AA herbs
Fangji 11.5 13.6 0.8 2.1 7.6 11.0 3.0 0.6
Muxiang 10.3 14.7 2.7 2.5 7.9 9.2 2.2 0.5
Mutong 10.8 14.4 3.3 2.4 7.6 9.2 2.2 0.4
  1. *The prescription frequencies (per 1,000 person-years) of Chinese herbal products (CHPs) are stratified by gender, age and the types of AA containing herbs (AA herbs) or those potentially adulterated by AA herbs.