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descriptive statistics at baseline before treatment; TDI: summated score from odour threshold, discrimination, and identification; standard deviation in brackets
| Verum acupuncture | Sham acupuncture | p-value | |
|---|---|---|---|
| Age in years | 63.0 (13.6) | 66.3 (10.1) | 0.29 |
| duration of smell loss in years | 3.9 (4.3) | 5.1 (5.3) | 0.34 |
| TDI score | 17.12 (5.62) | 17.47 (6.99) | 0.86 |
| Odour Threshold | 2.08 (1.68) | 2.29 (1.79) | 0.84 |
| Odour Discrimination | 8.37 (2.53) | 8.03 (2.99) | 0.75 |
| Odour Identification | 6.67 (2.83) | 7.13 (3.57) | 0.60 |
