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Comparison of general information between the two groups.
| Group | n | Gender (Male/Female) | Age (Year) | Course of disease (months) |
|---|---|---|---|---|
| Control-group | 55 | 27/28 | 50.49±13.42 | 2.47±0.72 |
| Observation-group | 57 | 22/35 | 51.94±14.92 | 2.64±0.65 |
| χ2/t | - | 1.253 | 0.542 | 1.302 |
| P | - | 0.263 | 0.589 | 0.196 |
