Olfactory test score Olfactory test score Olfactory test score
Before Training After Training Median P-value
Healthy control group Healthy control group Healthy control group Healthy control group Healthy control group
Patient 1 12  - 12 0.01 a
Patient 2 12  -
Patient 3 12  -
Patient group Patient group Patient group Patient group Patient group
Treatment group Treatment group Treatment group Treatment group Treatment group
Patient 4 3 8 8 0.04 b
Patient 5 5 10
Patient 6 4 8
No-Treatment group No-Treatment group No-Treatment group No-Treatment group No-Treatment group
Patient 7 7 7 2
Patient 8 1 1
Patient 9 5 2