Table 1 Demographic and clinical characteristics of n = 314 children and young people aged <18 years diagnosed with hypertension (including Secondary, Primary and White Coat Hypertension) by a dedicated Paediatric Hypertension service over a recent 6-year period.

From: Demographics of childhood hypertension in the UK: a report from the Southeast England

  

White coat

Primary

Secondary

P value

Total

n (% of total)

47 (15.0)

84 (26.8)

183 (58.2)

 

Referral source

Primary care n (%)

3 (6.4)

3 (3.6)

2 (1.1)

<0.001

 

Secondary care n (%)

25 (53.2)

58 (69.0)

65 (35.5)

 
 

Tertiary care n (%)

19 (40.4)

23 (27.4)

116 (63.4)

 

Patients on antihypertensives on assessment

n (%)

3 (6.4)

39 (46.4)

139 (76)

<0.001

Sex

Male n (%)

15 (31.9)

39 (46.4)

87 (47.5)

0.158

 

Female n (%)

32 (68.0)

45 (53.6)

96 (52.5)

 

Age in years

Mean (SD)

13.4 (±3.4)a

14.2 (±2.5)b

8.9 (±6.1)a,b

<0.001a,b

Age category

<6 years n (%)

2 (4.3)

0 (0.0)c

72 (39.3)d

<0.001

 

6–11 years n (%)

11 (23.4)

13 (15.5)

37 (20.2)

 
 

12–18 years n (%)

34 (72.3)

71 (84.5)e

74 (40.4)

 

Ethnicity (n = 307)

White n (%)

26 (61.9)

48 (57.8)

146 (80.2)f

<0.001

 

Black n (%)

7 (16.6)

25 (30.1)g

18 (9.9)

 
 

SE Asian n (%)

8 (19.0)

8 (9.6)

12 (6.6)

 
 

Other n (%)

1 (2.4)

2 (2.4)

6 (3.3)

 
 

Undisclosed n (%)

5

1

1

 

Height

Mean (cm) (SD)

161.8 (±19.0)a

162.8 (±18.0)b

125.6 (±39.9)a,b

<0.001a,b

Z score height

Mean (SD)

1.25 (±1.88)a

0.64 (±1.62)b

-0.29 (±2.09)a,b

<0.001a,b

Weight

Mean (kg) (SD)

66.2 (±24.1)a

72.1 (±25.4)b

37.8 (±26.1)a,b

<0.001a,b

Z score weight

Mean (SD)

1.35 (±1.24)a

1.47 (±1.15)b

0.18 (±1.73)a,b

<0.001a,b

BMI

Mean (kg/m2) (SD)

24.6 (±6.5)a

26.6 (±7.3)b

20.3 (±5.4)a,b

<0.001a,b

Z score BMI

Mean (SD)

1.09 (±1.12)

1.32 (±0.97)b

0.49 (±0.97)b

<0.001b

  1. adenotes significant difference in mean between white coat and secondary hypertensive groups.
  2. bdenotes significant difference in mean between primary and secondary hypertensive groups.
  3. cdenotes significantly lower than expected (p < 0.001).
  4. ddenotes significantly higher than expected (p < 0.001).
  5. edenotes significantly higher than expected (p = 0.02).
  6. fdenotes significantly higher than expected (p = 0.009).
  7. gdenotes significantly higher than expected (p = 0.042).