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Table 2 Prescription frequencies of CHPs containing phytoestrogen a * and cumulative average original weights of the five major Chinese herbs stratified by age, based on a one-million patient random sample (1997–2007) from the NHI system of Taiwan

From: Prescription profile of Chinese herbal products containing coumestrol, genestein, and/or daidzein among female users: an analysis of national health insurance data in Taiwan between 1997 and 2007

  Age
Chinese herbal products ≤ 9 10-19 20-29 30-39 40-49 50-59 60-69 70-79 ≥ 80
Total licensed CHPs 252,268 594,059 1,069,122 1,368,722 1,332,924 818,922 496,445 268,747 69,604
Licensed CGD-CHPs. 62,140 135,716 220,967 307,731 301,586 186,354 108,348 54,060 12,342
Average dosage per woman-year (g) a
Puerariae Fructus 10.2 18.0 14.5 15.9 17.9 21.3 21.0 22.0 21.3
Puerariae Radix 25.8 27.8 29.2 33.7 37.0 39.0 41.4 41.5 40.4
Sojae Semen Praeparatum 8.6 9.5 9.6 11.0 11.4 11.4 12.4 11.3 10.5
Sophorae Flavescentis Radix 9.0 10.5 10.9 10.9 10.7 10.5 10.8 10.6 11.4
Sophorae Flos 15.9 24.6 27.3 33.5 35.5 37.3 36.4 49.9 34.3
  1. a Converted back to the original weight.
  2. *Phytoestrogens mainly contained coumestrol, genistein and/or daidzein.