Groups

High risk degree

Very high risk degree

Total cases

I

II

III

I

II

III

Male

12

248

81

19

37

135

532

Female

9

247

63

13

58

129

519

χ²

0.8571

0.0040

4.5000

2.2500

9.2842

0.2727

0.3216

P

0.3545

0.9493

0.0339

0.1336

0.0023

0.6015

0.5706