Table 4

Frequency distribution of patients' knowledge about preventive measures

Question Correct(%) Does not know (%) Incorrect (%)
What is endocarditis?16.1  (14.9  to    17.3)72.6  (71.2  to   74.0)11.3  (10.3  to   12.3)
Indicate the most typical sign or symptom of endocarditis8.1 (7.2 to   9.0)69.4 (67.9 to   70.9)22.6 (21.3 to   23.9)
Can you only get endocarditis once in your lifetime?51.6 (50.0 to   53.2)43.5 (41.9 to   45.1)4.8 (4.1 to   5.5)
As you have a congenital heart disease, should you take antibiotics
immediately if you have a temperature (without consulting a physician)?
83.9 (82.7 to   85.1)3.2 (2.6 to   3.8)12.9 (11.8 to   14.0)
Do following factors contribute to the onset of endocarditis?
 Needle contamination (drug addicts)51.6 (50.0 to   53.2)43.5 (41.9 to   45.1)4.8 (4.1 to   5.5)
 Smoking32.3 (30.8 to   33.8)29.0 (27.6 to   30.4)38.7 (37.2 to   40.2)
 Bacteria from skin infections35.5 (34.0 to   37.0)45.2 (43.6 to   46.8)19.4 (18.2 to   20.7)
 Dental abscesses71.0 (69.6 to   72.4)25.8 (24.4 to   27.2)3.2 (2.6 to   3.8)
 Sexual activity50.0 (48.4 to   51.6)46.8 (45.2 to   48.4)3.2 (2.6 to   3.8)
 Poor nail and skin care9.7 (8.8 to   10.6)53.2 (51.6 to   54.8)37.1 (35.6 to   38.6)
 Body piercing and tattooing29.0 (27.6 to   30.4)46.8 (45.2 to   48.4)24.2 (22.9 to   25.6)
Should you have a dental check up at least once a year?98.4 (98.0 to   98.8)1.6 (1.2 to   2.0)0.0 (0.0 to   0.0)
Should you take antibiotics before every visit to the dentist?83.9 (82.7 to   85.1)0.0 (0.0 to   0.0)16.1 (14.9 to   17.3)
Do bleeding gums need extra attention?88.7 (87.7 to   89.7)8.1 (7.2 to   9.0)3.2 (2.6 to   3.8)
Should you clean your teeth at least once a day?96.8 (96.2 to   97.4)1.6 (1.2 to   2.0)1.6 (1.2 to   2.0)
Are smoking and alcohol consumption more harmful for patients with
congenital heart disease than for other people?
21.0 (19.7 to   22.3)8.1 (7.2 to   9.0)71.0 (69.6 to   72.4)
  • Values are percentage (95% confidence interval).