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Table 6 The top five disease categories (as the reasons for clinical visits) in acupuncture user cohort

From: Acupuncture decreased the risk of coronary heart disease in patients with rheumatoid arthritis in Taiwan: a Nationwide propensity score-matched study

Disease (ICD-9-CM)

Acupuncture users

(n = 9932)

n

%

Musculoskeletal system and connective tissue (710–739)

6885

69.32

Injury (800–999)

5377

54.14

Symptoms, signs and ill-defined conditions (780–799)

700

7.05

Nervous system (320–389)

463

4.66

Digestive system (520–579)

302

3.04

  1. Maximal of three ICD-9-CM codes could be recorded in one visit