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Table 2 Difference between the Korean and US BP reference values in different age groups

From: The compatibility of new blood pressure reference values for Korean children and adolescents with the US reference: the Korean Working Group of Pediatric Hypertension

Variable

Age (yr)

Boy, difference (mmHg)

Girl, difference (mmHg)

BP percentile 50th

BP percentile 90th

BP percentile 95th

BP percentile 50th

BP percentile 90th

BP percentile 95th

Systolic BP

       
 

10

1.4 ± 0.2

(1 to 2)

2.5 ± 0.5

(2 to 3)

2.4 ± 0.9

(1 to 3)

2.1 ± 0.6

(1 to 3)

2.2 ± 0.4

(2 to 3)

2.3 ± 0.6

(2 to 3)

 

11

1.9 ± 0.5

(1 to 3)

3.2 ± 0.8

(3 to 4)

3.1 ± 1.2

(1 to 5)

1.3 ± 1.1

(0 to 3)

1.7 ± 1.2

(–1 to 3)

1.7 ± 1.4

(0 to 3)

 

12

1.8 ± 0.9

(0 to 3)

2.6 ± 0.7

(1 to 3)

2.9 ± 1.8

(0 to 5)

–0.3 ± 1.0

(–2 to 1)

0.0 ± 1.5

(–2 to 1)

0.2 ± 1.2

(–1 to 1)

 

13

0.8 ± 1.3

(–1 to 2)

1.4 ± 2.0

(–1 to 4)

1.8 ± 2.1

(–1 to 4)

–0.8 ± 0.4

(–1 to 0)

–0.8 ± 1.2

(–2 to 1)

–0.7 ± 0.6

(–2 to 0)

 

14

0.4 ± 1.5

(–1 to 3)

–0.1 ± 1.9

(–2 to 2)

–0.2 ± 2.1

(–2 to 3)

–0.9 ± 0.5

(–2 to 0)

–0.9 ± 1.0

(–2 to 1)

–0.8 ± 0.3

(–1 to 0)

 

15

–0.5 ± 1.0

(–1 to 1)

–1.1 ± 1.1

(–2 to 1)

–1.2 ± 1.2

(–2 to 1)

–0.3 ± 0.5

(–1 to 1)

–0.7 ± –0.9

(–1 to 1)

–1.0 ± 0.3

(–1 to –1)

 

16

–1.6 ± 0.7

(–3 to –1)

–2.1 ± 0.6

(–3 to –1)

–2.1 ± 0.8

(–3 to –1)

–0.8 ± 0.4

(–1 to 0)

–1.2 ± 0.8

(–2 to 0)

–1.0 ± 0.4

(–2 to –1)

 

17

–3.2 ± 0.4

(–4 to –3)b

–3.2 ± 0.4

(–4 to –3)a

–2.8 ± 0.6

(–4 to –2)

–1.2 ± 1.2

(–2 to –1)

–1.6 ± 1.5

(–2 to –1)

–1.0 ± 1.4

(–1 to 0)

Diastolic BP

       
 

10

–2.0 ± 0.7

(–3 to –1)

–3.0 ± 0.6

(–4 to –2)c

–2.7 ± 0.3

(–3 to –2)c

0.8 ± 0.3

(0 to 1)

–1.4 ± 1.5

(–3 to 1)

–1.3 ± 1.4

(–3 to 1)

 

11

–0.6 ± 0.6

(–1 to 0)

–2.1 ± 0.3

(–3 to –2)c

–1.6 ± 0.6

(–3 to –1)c

1.1 ± 0.5

(0 to 2)

–1.0 ± 1.3

(–3 to 0)

–0.5 ± 1.6

(–2 to 2)

 

12

1.5 ± 0.9

(0 to 2)

–0.5 ± 0.7

(–1 to 0)

–0.3 ± 0.6

(–1 to 0)

1.2 ± 0.8

(0 to 2)

–0.7 ± 1.1

(–2 to 1)

–0.6 ± 1.1

(–2 to 1)

 

13

3.2 ± 0.7

(2 to 4)b

1.2 ± 0.6

(0 to 2)

0.6 ± 0.8

(0 to 2)

1.2 ± 0.5

(0 to 2)

0.2 ± 0.9

(–1 to 1)

–0.6 ± 0.8

(–2 to 0)

 

14

3.8 ± 1.7

(2 to 6)b

1.5 ± 1.7

(–1 to 3)

0.8 ± 2.0

(–2 to 3)

1.1 ± 0.5

(0 to 2)

0.1 ± 0.8

(–1 to 1)

–0.9 ± 0.7

(–2 to 0)

 

15

4.0 ± 1.5

(2 to 6)c

1.1 ± 1.7

(–1 to 4)

0.7 ± 2.3

(–2 to 4)

1.2 ± 0.4

(1 to 2)

0.3 ± 0.4

(0 to 1)

–0.7 ± 0.4

(–1 to 0)

 

16

3.3 ± 1.4

(2 to 6)b

1.0 ± 1.3

(0 to 3)

0.5 ± 1.8

(–1 to 3)

1.4 ± 0.3

(1 to 2)

0.5 ± 0.5

(0 to 1)

–0.3 ± 0.5

(–1 to 0)

 

17

3.1 ± 0.9

(2 to 5)b

1.4 ± 1.1

(0 to 3)

0.9 ± 1.7

(–1 to 4)

2.0 ± 0.4

(1 to 3)a

0.8 ± 0.5

(0 to 2)

0.1 ± 0.5

(–1 to 1)

  1. Data are presented as mean ± standard deviation (range)
  2. BP, blood pressure
  3. a0.01 ≤ P < 0.05, b0.005 ≤ P < 0.01, cP < 0.005