What makes GPs order more PSAs?

DANISH researchers have assessed in a study of 129 GPs how their attitudes to risk influences their decision to order a PSA test.

In one year the GPs ordered 33,124 tests on 26,222 men, including 4315 tests on men with cancer.

Patients having their first test were more likely to have GPs who were anxious about clinical uncertainty. GPs with a great deal of concern about bad outcomes were also more likely to order a PSA test.

Over a year, some patients had repeat tests despite having normal results. Repeat testing was less likely to occur if