Discussions, Refusals and Missed Opportunities to Vaccinate during 4 Influenza Seasons
| Discussions, Refusals and Missed Opportunities to Vaccinate | 1998 to 1999 | 1999 to 2000 | 2000 to 2001 | 2001 to 2002 |
|---|---|---|---|---|
| Vaccinated patients, n (%) | 106 (51.7) | 122 (57.3) | 89 (41.0)* | 119 (54.8) |
| Unvaccinated patients with ≥1 missed opportunity during influenza season, n (%) | 59 (59.6) | 52 (57.1) | 90 (70.3) | 48 (49.0) |
| Visits Oct–Feb† | 1.5 ± 1.3 | 1.6 ± 1.2 | 1.8 ± 1.4§ | |
| MD discussed vaccination† | 0.01 ± 0.10 | 0.02 ± 0.13 | 0.06 ± 0.27‡ | 0.02 ± 0.13 |
| Patient refused vaccination† | 0.01 ± 0.07 | 0.02 ± 0.14 | 0.04 ± 0.22 | 0.01 ± 0.01 |
| Missed opportunities to vaccinate Oct–Nov† | 0.16 ± 0.50 | 0.17 ± 0.46 | 0.37 ± 0.66¶ | 0.20 ± 0.46 |
| Missed opportunities to vaccinate Dec–Feb† | 0.37 ± 0.73 | 0.27 ± 0.68 | 0.41 ± 0.78** | |
| Missed opportunities to vaccinate Oct–Feb† | 0.53 ± 1.04 | 0.45 ± 0.91 | 0.78 ± 1.14†† |
* 2000 to 2001 influenza season was significantly lower than the 1998 to 1999, 1999 to 2000, and 2001 to 2002 seasons (P < .001).
† Mean ± SD.
§ 2000 to 2001 influenza season was significantly higher than the 1999 to 2000 and 2001 to 2002 seasons (P < .005); data were not collected for visits in January and February 2002, precluding comparison analysis.
‡ 2000 to 2001 influenza season was significantly higher than the 1999 to 2000 and 2001 to 2002 seasons (P < .05).
¶ 2000 to 2001 influenza season was significantly higher than the 1999 to 2000 and 2001 to 2002 seasons (P < .002). To show the impact of the shortage year, visits were treated as potential missed opportunities if unvaccinated; although vaccine was not available in these practices, it was available elsewhere in 2000 to 2001 and in other years in these practices.
** 2000 to 2001 influenza season was significantly higher than the 1999 to 2000 season (P < .05); data were not collected for visits in January and February 2002, precluding comparison analysis.
†† 2000 to 2001 influenza season was significantly higher than the 1999 to 2000 season (P < .001); data were not collected for visits in January and February 2002, precluding comparison analysis.