Characteristics

Case group

Control group

t/χ²

P

Gender [N (%)]

Male

21 (42)

23 (46)

0.16

0.69

Female

29 (58)

27 (54)

Years ( $\overline{\chi }\pm s$ )

49.66 ± 12.23

46.14 ± 10.96

1.52

0.13