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Table 1 Distribution frequencies of licensed and prescribed Chinese herbal products potentially containing aristolochic acid, 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

  Licensed CHPs Counts % Prescribed CHPs Counts %
Types of AA herbs included
   Tianxianteng 1 0.1 339 0.1
   Madouling 18 1.5 1,395 0.3
   Xixin 307 25.2 191,297 36.3
Herbs potentially adulterated by AA herbs
   Fangji (by Guanfangji) 174 14.3 93,447 17.7
   Muxiang (by Qingmuxiang) 409 33.6 107,014 20.3
   Mutong (by Guanmutong) 225 18.5 87,073 16.5
≥2 of above herbs
   Mutong and Muxiang 17 1.4 2,200 0.4
   Mutong and Xixin 63 5.2 44,101 8.4
   Muxiang and Xixin 2 0.2 - -
   Muxiang, Xixin and Tianxianteng 2 0.2 1 -
Total 1,218 100.0 526,867 100.0
  1. *The table shows the distribution frequencies of licensed and prescribed Chinese herbal products (CHPs) that may potentially contain aristolochic acid (AA).