Figure 1.
ANA positivity among IFA1 (n=805), IFA2 (n=805) and ELISA (n=805) at enrolment, year 3 and year 5. There is a break in the y-axis between 40% and 90% to enhance the readability of the graph from 90-100%.
ANA positivity among IFA1 (n=805), IFA2 (n=805) and ELISA (n=805) at enrolment, year 3 and year 5. There is a break in the y-axis between 40% and 90% to enhance the readability of the graph from 90-100%.