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Table 4 Study population requiring pharmacotherapy using WHO/ISH chart at different threshold levels and single risk factors approach, n (%)

From: Total cardiovascular risk for next 10 years among rural population of Nepal using WHO/ISH risk prediction chart

Approach

Variants

Persons requiring drugs

Threshold CV risk >30%

Threshold CV risk >20%

Male

Female

Total

Male

Female

Total

WHO/ISH chart

Chart

2 (1.3)

4 (2.0)

6 (1.8)

7 (4.5)

8 (4.2)

15 (4.3)

Chart + BPa

16 (10.6)

8 (4.2)

24 (6.9)

15 (9.7)

8 (4.2)

23 (6.6)

Total

18 (11.7)

12 (6.3)

30 (8.6)b

22 (14.3)

16 (8.4)

38 (11)c

Single risk factor

BP ≥ 140/90

58 (38.7)

52 (27.2)

110 (31.9)

58 (38.7)

52 (27.2)

110 (31.9)

TC ≥ 6

8 (5.2)

6 (3.1)

14 (4.1)

8 (5.2)

6 (3.1)

14 (4.1)

Total

64 (43.9)

58 (30.3)

124 (36)

64 (43.9)

58 (30.3)

124 (36)

  1. aBP ≥ 160/100 mmHg
  2. bChart with BP ≥ 160/100 mmHg vs single risk factor, at >30% threshold, χ2 = 64, p = 0.001
  3. cChart with BP ≥ 160/100 mmHg vs single risk factor, at >20% threshold, χ2 = 64.5, p = 0.001