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Table 1 Age-sex-specific frequency for the use of Chinese herbal medicines in patients with osteoarthritis under the national health insurance in Taiwan during 2002

From: Chinese herbal prescriptions for osteoarthritis in Taiwan: analysis of national health insurance dataset

Age (years) Subjects with osteoarthritis using Chinese herbal medicines
  Number of patients (%) Male (%) Female (%)
<30 2,093 9.5% 916 (43.8%) 1,177 (56.2%)
30-39 2,681 13.4% 940 (35.1%) 1,741 (64.9%)
40-49 3,853 19.2% 1,274 (33.1%) 2,579 (66.9%)
50-59 3,766 18.8% 1,115 (29.6%) 2,651 (70.4%)
60-69 3,654 18.2% 1,035 (29.6%) 2,619 (70.4%)
70-79 3,191 15.9% 1,280 (40.1%) 1,911 (59.9%)
> = 80 821 4.1% 386 (47.0%) 435 (53.0%)
Total 20,059 100.0% 6,946* (34.6%) 13,113* (65.4%)
  1. *male: female = 1:1.89.