2020

2022

Sample

Cases

Controls

Test of student

Sample

Cases

Controls

Test of student

Nombre of observations

228

76

152

224

74

150

Average age

37

36

37

t = −1.623; p = 0.106

38

37

38

t = −0.978; p = 0.329

Standard deviation

7

8

7

7

8

7