Table 1 Demographic characteristics and olfactory performance scores

Age, mean (SD) in years

22.86 (4.61)

23.46 (4.18)

5265 (Mann-Whitney)

 M

22.85 (4.69)

24.47 (4.80)

1737*

 F

22.89 (4.56)

22.00 (2.40)

967

 M

66

66

0 (χ²)

 F

44

44

Smoking

21 (19.1)

8 (7.3)

6.7*(χ²)

 M

19 (28.79)

8 (12.12)

5.63*(χ²)

 F

2 (4.54)

0

2.05(χ²)

 Threshold

5.98 (2.77)

8.75 (3.18)

6.89^**

  M

5.92 (3.08)

8.92 (3.28)

5.42^**

  F

6.07 (2.25)

8.50 (3.05)

4.26^**

 Discrimination

8.73 (3.55)

12.44 (1.79)

9.80^**

  M

8.62 (3.82)

12.55 (1.76)

7.58^**

  F

8.89 (3.13)

12.27 (1.84)

6.20^**

 Identification

10.60 (2.73)

13.02 (1.72)

7.12^**

  M

10.09 (3.00)

13.14 (1.76)

6.99^**

  F

11.36 (2.09)

12.84 (1.66)

3.67^**

 TDI

25.31 (6.65)

34.21 (4.98)

11.23^**

  M

24.64 (7.24)

34.61 (5.09)

9.15^**

  F

26.32 (5.58)

33.61 (4.81)

6.57^**