Table 3.
Exposure to dental procedures according to period of inclusion of 648 participants with oral streptococcal infective endocarditis included in case crossover study, 2009-14
| Periods | No (%) |
|---|---|
| Case period (n=648) | |
| Non-exposure | 554 (85.5) |
| Invasive dental procedure: | 33 (5.1) |
| Without antibiotic prophylaxis | 14 (2.2) |
| With antibiotic prophylaxis | 19 (2.9) |
| Non-invasive dental procedure: | 61 (9.4) |
| Without antibiotic prophylaxis | 51 (7.9) |
| With antibiotic prophylaxis | 10 (1.5) |
| Control periods (n=1737)* | |
| Non-exposure | 1507 (86.7) |
| Invasive dental procedure: | 55 (3.2) |
| Without antibiotic prophylaxis | 25 (1.4) |
| With antibiotic prophylaxis | 30 (1.7) |
| Non-invasive dental procedure: | 175 (10.1) |
| Without antibiotic prophylaxis | 144 (8.3) |
| With antibiotic prophylaxis | 31 (1.8) |
*Months −7 to −9, −13 to −15, and −19 to −21.