Time of diagnosis

N

Qualification

Months

40

4.07 ± 1.09

1 year

22

3.59 ± 1.76

2 to 5 years

57

4.37 ± 1.48

6 to 9 years

9

4.33 ± 1.80

10 or more years

11

4.18 ± 2.13