TABLE 1.
Trends in mortality associated with TB estimated by joinpoint regression from two sets of surveillance data.
Variable | Dataset | Phase* | Annual % change (95% CI) |
---|---|---|---|
TB mortality since 1953 |
Death certificates |
1953 – 1955 | −14.2 (−18.6, −9.5) |
1955 – 1966 | −7.5 (−8.0, −7.0) | ||
1966 – 1982 | −9.5 (−10.0, −9.1) | ||
1982 – 1990 | 0.1 (−2.1, 2.4) | ||
1990 – 2006 | −8.2 (−9.0, −7.4) | ||
TB mortality since 1993 |
NTSS § | 1993 – 2002 | −13.3 (−13.8, −12.9) |
2002 – 2006 | −3.4 (−5.8, −0.9) |
Phases were defined as the years between the inflection points identified by the joinpoint regression.
NTSS: National Tuberculosis Surveillance System.