Table 4. Documentation of baseline immunization against tetanus, diphtheria, and pertussis in the overall patient cohort.
| Vaccination within 10 years | 3 or morevaccinations | |||
| Number | % | Number | % | |
| Tetanus | 136 | 67.0 | 159 | 78.3 |
| Diphtheria | 134 | 66.0 | 157 | 77.3 |
| Pertussis | 42 | 20.7 | 103 | 50.7 |