1996–9 serosurvey* | 2002 serosurvey | |||||||
---|---|---|---|---|---|---|---|---|
Laboratory | Samples tested | Percent of all samples tested (%) | Percent measles protected by laboratory† (%) | Samples tested | Percent of all samples tested (%) | Percent measles protected by laboratory† (%) | Change in percent protected (%) | p-value for change |
VIDRL** | 45 | 12.2 | 88.1 | 111 | 34.0 | 80.5 | -7.65 | 0.2 |
Lab 2 | 68 | 18.4 | 90.4 | 46 | 14.1 | 80.6 | -9.78 | 0.2 |
Lab 3 | 55 | 14.9 | 90.1 | 66 | 20.2 | 88.5 | -1.62 | 0.6 |
Lab 4 | 40 | 10.8 | 86.7 | 16 | 4.9 | 96.9 | 10.16 | 0.3 |
Lab 5 | 43 | 11.6 | 95.7 | 38 | 11.7 | 83.3 | -12.41 | 0.2 |
Other labs | 118 | 32.0 | 91.2 | 5 | 1.5 | 80.0 | -11.2 | 0.5 |
Total | 369 | 100 | 91.0 | 282 | 100 | 84.2 | -6.80 | 0.006 |