Variable

Cases (%)/Mean ± standard deviation

Age

20.37 ± 1.09

Gender

Male

38 (50.67)

Female

37 (49.33)

Mathematics scores at enrollment

<90

7 (9.3)

90 - 120

57 (76.0)

120 - 150

11 (14.7)

Scientific research experience

With

8 (10.7)

Without

67 (89.3)