Table 2.
Joinpoint regression estimates of the trends in age-standardised mortality rates for cervical cancer in South Africa (1999–2018).
| Cancer Type | Trends | Year Period | APC | 95% CI | p-Value | Comment | |
|---|---|---|---|---|---|---|---|
| Overall ASMR | 1 | 1999–2005 | 2.9 * | 1.1 | 4.7 | <0.001 | Significant increase |
| 2 | 2005–2008 | −2.4 | −11.9 | 8.0 | 0.6 | Non-significant decrease | |
| 3 | 2008–2018 | 1.4 * | 0.6 | 2.1 | <0.001 | Significant increase | |
| Full Range | 1999–2018 | 0.9 * | 0.6 | 1.2 | <0.001 | Significant increase | |
| Black | 1 | 1999–2002 | −1.8 | −8.9 | 5.8 | 0.6 | Non-significant decrease |
| 2 | 2002–2005 | 6.6 | −7.4 | 22.9 | 0.3 | Non-significant increase | |
| 3 | 2005–2008 | −2.1 | −15.0 | 12.7 | 0.7 | Non-significant decrease | |
| 4 | 2008–2018 | 3.5 * | 2.5 | 4.6 | <0.001 | Significant increase | |
| Full Range | 1999–2018 | 2.4 * | 1.9 | 2.9 | <0.001 | Significant increase | |
| Indian/Asian | 1 | 1999–2004 | −8.8 * | −14.7 | −2.4 | <0.001 | Significant decrease |
| 2 | 2004–2018 | 0.6 | −1.0 | 2.3 | 0.4 | Non-significant increase | |
| Full Range | 1999–2018 | −1.4 * | −2.6 | −0.2 | <0.001 | Significant decrease | |
| Coloured | |||||||
| 1 | 1999–2005 | 1.1 | −3.0 | 5.4 | 0.6 | Non-significant increase | |
| 2 | 2005–2008 | −8.1 | −29.7 | 20.1 | 0.5 | Non-significant decrease | |
| 3 | 2008–2016 | 2.8 | −0.7 | 6.5 | 0.1 | Non-significant increase | |
| 4 | 2016–2018 | −13.5 | −34.8 | 14.8 | 0.3 | Non-significant decrease | |
| Full Range | 1999–2018 | −0.7 | −1.5 | 0.1 | 0.1 | Non-significant decrease | |
| White | |||||||
| 1 | 1999–2010 | 0.1 | −1.2 | 1.4 | 0.8 | Stable | |
| 2 | 2010–2018 | 7.8 * | 5.9 | 9.7 | <0.001 | Significant increase | |
| Full Range | 1999–2018 | 3.3 * | 2.3 | 4.4 | <0.001 | Significant increase |
* Statistically significant at p-value < 0.05.