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Table 5 Incidence rate ratio of diseases between non-TCM and TCM users

From: Complementary traditional Chinese medicine use in Children with cerebral palsy: a nationwide retrospective cohort study in Taiwan

Disease ICD-9-CM code TCM user Non-TCM user Compared to non-TCM user
N % N % IRR (95% CI)
Allergic rhinitis 477.9 3688 52.7 1329 31.5 1.67 (1.57–1.78)***
Dyspepsia and other specified disorders of function of stomach 536.8 2452 35.0 864 20.5 1.71 (1.58–1.85)***
Disorders of menstruation and other abnormal bleeding from female genital tract 626 600 8.58 215 5.09 1.68 (1.44–1.97)***
Disease of the musculoskeletal system and connective tissue 710–739 5034 72.0 1977 46.8 1.54 (1.46–1.62)***
  1. IRR incidence rate ratio in Poisson regression
  2. *** p value < 0.0001