Table 5.
Prevalence rate ratio of diseases between non-TCM and TCM users.
| Non-TCM N = 8426 |
TCM N = 20084 |
Compared to non-TCM | ||||
|---|---|---|---|---|---|---|
| n | % | n | % | Crude PRR | Adjusted PRR† | |
| Metabolic syndrome | ||||||
| Hypertension | 1817 | 21.6 | 3173 | 15.8 | 0.73 (0.70–0.77)∗∗∗ | 1.18 (1.11–1.26)∗∗∗ |
| Diabetes | 1000 | 11.9 | 1727 | 8.6 | 0.72 (0.69–0.76)∗∗∗ | 1.14 (1.05–1.24)∗∗ |
| Hyperlipidemia | 1221 | 14.5 | 2666 | 13.3 | 0.92 (0.87–0.96)∗∗∗ | 1.29 (1.20–1.39)∗∗∗ |
| Heart disease | 1379 | 16.4 | 2707 | 13.5 | 0.82 (0.78–0.86)∗∗∗ | 1.20 (1.11–1.28)∗∗∗ |
| Infections | ||||||
| Tuberculosis | 153 | 1.82 | 198 | 0.99 | 0.54 (0.51–0.58)∗∗∗ | 0.94 (0.74–1.19) |
| Hepatitis B | 376 | 4.46 | 1193 | 5.94 | 1.33 (1.25–1.42)∗∗∗ | 1.46 (1.29–1.65)∗∗∗ |
| Hepatitis C | 184 | 2.18 | 435 | 2.17 | 0.99 (0.92–1.06) | 1.39 (1.16–1.68)∗∗∗ |
| Auto immune disorder | ||||||
| Rheumatoid arthritis | 15 | 0.18 | 48 | 0.24 | 1.34 (1.22–1.48)∗∗∗ | 1.93 (1.03–3.60)∗ |
| Systemic lupus erythematosus | 16 | 0.19 | 25 | 0.12 | 0.66 (0.60–0.71)∗∗∗ | 0.59 (0.29–1.17) |
| Vitiligo | 40 | 0.47 | 123 | 0.61 | 1.29 (1.18–1.41)∗∗∗ | 1.11 (0.77–1.62) |
| Pemphigoid | 16 | 0.19 | 16 | 0.08 | 0.42 (0.39–0.46)∗∗∗ | 0.86 (0.39–1.89) |
| Pemphigus | 15 | 0.18 | 14 | 0.07 | 0.39 (0.36–0.43)∗∗∗ | 0.58 (0.26–1.32) |
| Alopecia areata | 88 | 1.04 | 297 | 1.48 | 1.42 (1.31–1.54)∗∗∗ | 1.36 (1.06–1.75)∗ |
| Crohn's disease | 449 | 5.33 | 1610 | 8.02 | 1.50 (1.41–1.60)∗∗∗ | 1.32 (1.18–1.47)∗∗∗ |
| Cancer | 329 | 3.90 | 597 | 2.97 | 0.76 (0.71–0.81)∗∗∗ | 1.24 (1.07–1.44)∗∗ |
| Others | ||||||
| Depression | 379 | 4.50 | 1200 | 5.97 | 1.33 (1.24–1.42)∗∗∗ | 1.41 (1.25–1.60)∗∗∗ |
| Hyperthyroidism | 157 | 1.86 | 400 | 1.99 | 1.07 (0.99–1.15) | 0.99 (0.81–1.21) |
| Hypothyroidism | 49 | 0.58 | 153 | 0.76 | 1.31 (1.20–1.43)∗∗∗ | 1.20 (0.85–1.70) |
| Multiple sclerosis | 5 | 0.06 | 15 | 0.07 | 1.26 (1.14–1.39)∗∗∗ | 1.02 (0.35–2.99) |
| Fatty liver | 144 | 1.71 | 331 | 1.65 | 0.96 (0.90–1.04) | 1.30 (1.05–1.61)∗∗ |
| Chronic airways obstruction | 348 | 4.13 | 452 | 2.25 | 0.54 (0.51–0.58)∗∗∗ | 1.19 (1.02–1.39)∗ |
| Sleep disorder | 1046 | 12.4 | 4407 | 21.9 | 1.77 (1.68–1.86)∗∗∗ | 1.77 (1.65–1.90)∗∗∗ |
| Asthma | 1008 | 12.0 | 2303 | 11.5 | 0.96 (0.91–1.01) | 0.98 (0.91–1.06) |
| Allergic rhinitis | 1956 | 23.2 | 6687 | 33.3 | 1.43 (1.37–1.50)∗∗∗ | 1.26 (1.20–1.33)∗∗∗ |
PRR: prevalence rate ratio. †Model adjusted for age, sex, occupation, urbanization, and number of outpatient visits for traditional Chinese medicine. ∗ p ≤ 0.05; ∗∗ p ≤ 0.01; ∗∗∗ p ≤ 0.001.