Younger than 60 years

N = 270 (91%)

60 years or older

N = 26 (9%)

p-value

Gender

p = 0.005 (F)

Female

244/270 (90.4%)

18/26 (69.2%)

Male

26/270 (9.6%)

8/26 (30.8%)

Sex ratio (M/F)

26/244 = 0.11

8/18 = 0.44