Table 5. Observed and counterfactual prevalence of uncontrolled hypertension and number of subjects affected in the South African population (aged 15 years and over) by gender, between 2008 and 2014–15.
Estimates and standard errors.
| Women | Men | |||||||
|---|---|---|---|---|---|---|---|---|
| 2008 | 2010–11 | 2012 | 2014–15 | 2008 | 2010–11 | 2012 | 2014–15 | |
| Prevalence of uncontrolled hypertension | ||||||||
| Observed [%] | 25.6 (0.83) | 22.5 (0.88) | 22.7 (0.78) | 20.2 (0.78) | 24.0 (0.98) | 22.4 (1.24) | 22.7 (1.19) | 22.3 (1.01) |
| Untreated [%] | 30.4 (0.89) | 27.0 (0.96) | 28.9 (0.84) | 28.4 (0.81) | 26.0 (1.01) | 24.1 (1.26) | 25.8 (1.21) | 25.8 (1.07) |
| Difference [%] | 4.8 (0.41) | 4.5 (0.44) | 6.2 (0.51) | 8.2 (0.29) | 2.0 (0.29) | 1.7 (0.29) | 3.0 (0.40) | 3.5 (0.41) |
| Number of subjects affected | ||||||||
| Observed [n] | 3951085 |
3740999 |
3933098 |
3726101 | 4189808 |
4047429 |
4258233 |
4429340 |
| Untreated [n] | 4691913 |
4539079 |
5007337 |
5238676 | 4538959 |
4354600 |
4839754 |
5124528 |
| Difference [n] | 740828 |
798080 |
1074239 |
1512575 | 349151 |
307171 |
581521 |
695188 |
Difference represents the excess prevalence/number of uncontrolled hypertensive subjects that would have been observed in absence of treatment. Standard errors in brackets.