Question: is this a 2) strong advice, 1) weak advice 0) no advice?

The model, validated by means of logistic regression and bootstrap analysis, contains the variables AGE, TC, and CA 19.9 (three of the original six) and has a level 4 over 5 according to the criteria of Justice et al. (multiple independent validations) Ann. Intern.Med.1999; 130: 515.
user
This is no advice
assistant