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Demographic characteristics of the subjects
| Intervention group (n = 202) | Medication group (n = 84) | Control group (n = 300) | Z (c2) | p value | |
|---|---|---|---|---|---|
| Age, years | 42.3±9.1 | 47.1±14.1 | 42.2±11.4 | 9.465 | 0.009 |
| Gender (male/female) | 101/101 | 44/40 | 160/140 | 0.542 | 0.763 |
| Course of disease, years | 5.6±4.2 | 5.2±3.1 | / | –0.421 | 0.674 |
| Type of AC (I/II/III) | 61/121/20 | 24/44/16 | / | 4.579 | 0.100 |
