Skip to main content

Table 1 Demographic data and clinical characteristics of patients with white-coat and without white-coat effect (N = 178)

From: Evaluation of the applicability of deep breathing test in the diagnosis of hypertension with white-coat effect in Chinese patients in primary care

Clinical characteristics

White-coat effect

Total no.

p value

Present (n = 122)

Absent (n = 56)

(%)

Age (years)

 Mean

65.6 (SD 9.7)

63.8 (SD 10.7)

65.0 (SD 10)

0.270

 No. of patients < 40

1

1

2 (1.1)

 

  40–49

8

4

12 (6.7)

 

  50–59

23

14

37 (20.8)

 

  60–69

48

19

67 (37.7)

0.791

  70–79

34

16

50 (28.1)

 

  ≥ 80

8

2

10 (5.6)

 

Sex

 Male

45

19

64 (36.0)

0.703

 Female

77

37

114 (64.0)

 

Body mass index (kg/m2)

 Mean

25.3 (SD 3.7)

25.6 (SD 3.8)

 

0.618

 No. of patients < 23

28

17

45 (25.3)

 

  23–24.9 (overweight)

36

11

47 (26.4)

0.317

  ≥ 25 (obesity)

58

28

86 (48.3)

 

Smoking status

 Non smoker

101

43

144 (80.9)

0.296

 Ex-smoker

19

13

32 (1.1)

 

 Current smoker

2

0

2 (18.0)

 

Presence of diabetes

 Yes

38

17

55 (30.9)

0.916

 No

84

39

123 (69.1)

 

History of cardiovascular disease

 Yes

8

5

13 (7.3)

0.757

 No

114

51

165 (92.7)

 

No. of anti-hypertensives taken

 Monotherapy

66

31

97 (54.5)

 

 Two drugs

33

16

49 (27.5)

0.866

 Three or more drugs

23

9

32 (18.0)

 

Types of anti-hypertensives taken

 Alpha-blockers

9

7

16 (9.0)

0.267

 Angiotensin-converting enzyme inhibitors

34

15

49 (27.5)

0.881

 Angiotensin receptor blockers

17

9

26 (14.6)

0.820

 Beta-adrenergic blockers

28

10

38 (21.3)

0.555

 Calcium channel blockers

94

38

132 (74.2)

0.193

 Diuretics

10

5

15 (8.4)

1

 Hydralazine

8

5

14 (7.9)

0.757

 Methyldopa

7

2

9 (5.1)

0.722