For each ‘yes’ response, patients were asked if the test result had been communicated (response options: ‘yes’, ‘no’ and ‘I do not remember’). If no result was communicated, patients were asked if they believed the test result to be normal (response options: ‘yes’, ‘no’ and ‘I do not know’). Roxadustat They were then informed that, of the blood tests mentioned, only clotting function is performed regularly prior to orthopaedic surgery. In the second section of the questionnaire, patients were asked if they would be agreeable, in principle, to routine preoperative
testing for diabetes, HIV and cholesterol (response options: ‘I would agree’ or ‘I would disagree’). Using jmp 8.0.1 software (SAS Institue Inc., Cary, NC, USA), we employed a χ2 test or Fisher’s exact test to compare categorical variables in contingency tables and Student’s t-test to analyse continuous data. We expressed data as mean ± standard deviation (SD) or as a percentage. A total of 1330 patients were eligible for inclusion in the study, of whom 991 (75%) completed the questionnaire (Fig. 1). Of these, 50% were male and the mean age was 49 ± 15 years. Age categories were represented as follows: 16–29 years, 16%; 30–39 years, 11%; 40–49 years, 17%; 50–59 years, 25%; 60–70 years, 31%. The most common surgical procedures were foot surgery (28%), arthroplasty (21%), shoulder surgery (18%) and anterior selleck cruciate ligament reconstruction (15%). None of the study patients Cyclin-dependent kinase 3 had been tested for HIV
as part of their preoperative work-up. Three hundred and seventy-five of 991 patients (38%) believed that they had been tested for HIV preoperatively. Of this group, 70 patients (7%) were informed of blood test results prior to the operation. Of
the remaining 305 patients in this group who received no results, 293 (96%) interpreted the lack of result communication as a negative HIV test. Younger age was associated with a higher rate of belief that an HIV test had been performed (mean age 46 years vs. 50 years for those who did not believe that a test had been performed; P < 0.0001) (Table 1). Older age was associated with a higher rate of belief that tests had been performed for diabetes (mean age 51 years vs. 46 years for those who did not believe that a test had been performed) and high cholesterol (mean age 53 years vs. 43 years, respectively) (P < 0.0001 in both cases) (Table 1). Questionnaire responses did not differ significantly between male and female patients. Younger patients were more likely to state that they would accept routine HIV testing prior to future surgery (mean age 47 years for those who would agree vs. 56 years for those who would not; P < 0.0001) (Table 1). More men than women were in favour of routine preoperative HIV testing (85% of men vs. 78% of women; P < 0.009) (Table 1), with the highest proportion among 16–29-year-old men (98%; data not shown). This study demonstrates an incomplete patient understanding of preoperative blood tests.