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Table 4 Distribution frequencies* of the most commonly prescribed herbal formulae 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

Herbal formula containing AA herbs

Prescription frequency Counts

%

Type of AA herbs included or potentially adulterated

Shujing Huoxie Tang

75,472

14.3

Fangji

Chuanqiong Chadiao San

58,004

11.0

Xixin

Longdan Xiegan Tang

42,351

8.0

Mutong

Xiaoqinglong Tang

42,241

8.0

Xixin

Duhuo Jisheng Tang

41,594

7.9

Xixin

Xinyi San

39,323

7.5

Mutong

Xiangsha Liujunzi Tang

23,580

4.5

Muxiang

Guipi Tang

16,946

3.2

Muxiang

Xiaofeng San

16,186

3.1

Mutong

Zhenggu Zijin Dan

15,105

2.9

Muxiang

Total

526,867

100.0

 
  1. *Distribution frequency refers to the top ten most commonly prescribed herbal formulae that may potentially contain aristolochic acid.