Table 1 Comparison of socio-demographic factors and co-morbidities between Chinese medicine (CM) users and nonusers in patients with uterine fibroids
CM | |||||||
|---|---|---|---|---|---|---|---|
Nonusers | Users | Total | P-valuea | ||||
N = 32710 | N = 11412 | N = 44122 | |||||
n | % | n | % | n | % | ||
Age, years | < 0.0001 | ||||||
<20 | 202 | 0.6 | 47 | 0.4 | 249 | 0.5 | |
20-29 | 2634 | 8.1 | 1030 | 9.0 | 3664 | 8.3 | |
30-39 | 8998 | 27.5 | 3665 | 32.1 | 12663 | 28.7 | |
40-49 | 15559 | 47.6 | 5167 | 45.3 | 20726 | 47.0 | |
≥50 | 5317 | 16.5 | 1503 | 13.2 | 6820 | 15.5 | |
Mean ± SD | 42.4 ± 8.9 | 41.4 ± 8.5 | 42.2 ± 8.8 | ||||
Income, US$ per month | 0.1800 | ||||||
<520 | 8075 | 24.7 | 2725 | 23.9 | 10800 | 24.5 | |
520 - 639 | 8173 | 25.0 | 2966 | 26.0 | 11139 | 25.3 | |
640- 759 | 8556 | 26.2 | 2921 | 25.6 | 11477 | 26.0 | |
≥760 | 7906 | 24.2 | 2800 | 24.5 | 10706 | 24.3 | |
Mean ± SD | 20098 ± 12630 | 20333 ± 12136 | 20158 ± 12505 | ||||
Occupational status | <0.0001 | ||||||
White collar | 19243 | 58.8 | 6972 | 61.1 | 26215 | 59.4 | |
Blue collar | 9900 | 30.1 | 3312 | 29.0 | 13212 | 29.9 | |
Others | 3567 | 10.9 | 1128 | 9.9 | 4695 | 10.6 | |
Area | <0.0001 | ||||||
Northern Taiwan | 16281 | 50.0 | 4820 | 42.2 | 21101 | 47.8 | |
Central Taiwan | 5758 | 17.6 | 2656 | 23.3 | 8414 | 19.1 | |
Southern Taiwan | 9265 | 28.3 | 3511 | 30.8 | 12776 | 29.0 | |
Eastern Taiwan and offshore islands | 1406 | 4.3 | 425 | 3.7 | 1831 | 4.15 | |
Co-morbidity | |||||||
Iron-deficiency anemia | 5259 | 16.1 | 2213 | 19.4 | 7472 | 16.9 | <0.0001 |
Hypermenorrhea | 8388 | 25.6 | 3650 | 32.0 | 12038 | 27.3 | <0.0001 |
Dysmenorrhea | 7456 | 22.8 | 4246 | 37.2 | 11702 | 26.5 | <0.0001 |
Infertility | 2570 | 7.9 | 1358 | 11.9 | 3928 | 8.9 | <0.0001 |