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Table 2 Percentage (%) distribution of blood pressure levels in a rural population of Yi ethnic group in southwest China, 2012

From: Prevalence, awareness, medication, control, and risk factors associated with hypertension in Yi ethnic group aged 50 years and over in rural China: the Yunnan minority eye study

  

Normotensive or controlled hypertensive

Hypertensive*

Age group (yrs)

n

Optimal

Normal

High normal

Stage 1

Stage 2

Stage 3

SBP

 

<120

120-129

130-139

140-159

160-179

≥180

DBP

 

<80

80-84

85-89

90-99

100-109

≥110

Male (total)

950

20.2

19.6

22.5.

18.7

11.2

7.8

50-59

266

25.6

24.2

17.1

16.4

10.2

6.5

60-69

362

24.1.

18.9

23.4

17.2

10.8

7.6

70-79

243

13.5

16.3

26.6

20.4

13.8

9.4

80-

79

20.3

18.6

18.1

20.2

14.6

8.2

Female (total)

1258

23.7

17.2

20.0

19.6

11.1

8.6

50-59

393

27.2

25.4

15.1

16.6

10.4

5.3

60-69

458

20.6

18.8

21.3

18.9

11.2

9.2

70-79

332

15.5.

17.2

24.5

20.1

12.7

10.0

80-

75

18.9

12.7

16.4

25.4

17.2

9.4

  1. *For hypertensive, stage 1 refers to SBP between 140 and 159 mmHg, DBP between 90 and 99 mmHg; stage 2 refers to SBP between 160 and 179 mmHg, DBP between 100 and109 mmHg; and stage 3 refers to SBP ≥ 180 mmHg, DBP ≥ 110 mmHg.