Table 2. Showing changing prevalence (%) using different BP cut-off.

				prevalence rate%(95%CI)
No	First Author	Year of study	Setting	definition 1	definition 2
1	Murthy73	2013	national	44.9(43.5–46.3)	24.3(23.6–25.0)
2	Cooper37	1997	national	14.5(13.1–15.9)	6.9(6.2–7.6)
3	Adedoyin54	2008	SW	36.6(34.5–38.7)	13.3(11.8–14.8)
4	Adebayo,56	2013	SW	26.4(23.7–29.1)	11.8(9.8–13.8)

Definition 1: Systolic BP ≥140 mmHg or Diastolic BP ≥ 90 mmHg; Definition 2: Systolic BP ≥ 160 mmHg ≥ or Diastolic BP ≥ 90mmHg

SW = south west