Skip to main content

Table 2 Baseline characteristics of herpes zoster cases and matched controls

From: Epidemiology and long-term disease burden of herpes zoster and postherpetic neuralgia in Taiwan: a population-based, propensity score-matched cohort study

 

Before matching

After matching

HZ cases (N = 115,202)

Controls (N = 34,506,574)

p a

Absolute standardized difference

HZ cases (N = 115,105)

Controls (N = 115,105)

p b

Absolute standardized difference

N

%

N

%

N

%

N

%

Age, years, mean (SD)

73.76 (6.15)

74.35 (6.01)

< 0.01

0.0973

73.75 (6.13)

73.65 (6.00)

< 0.01

0.0154

 65–74

70,658

61.33

19,920,118

57.73

< 0.01

0.0734

70,639

61.37

71,849

62.42

< 0.01

0.0216

 75–84

38,655

33.55

12,727,647

36.88

0.0698

38,622

33.55

37,685

32.74

0.0172

  ≥ 85

5889

5.11

1,858,809

5.39

0.0126

5844

5.08

5571

4.84

0.0111

Female

61,312

53.22

18,341,566

53.15

0.6

0.0014

61,262

53.22

61,262

53.22

–

0.0000

CCI, mean (SD)

1.21 (1.36)

1.51 (1.49)

< 0.01

0.2101

1.21 (1.36)

1.19 (1.33)

< 0.01

0.0132

 0

44,044

38.23

10,025,484

29.05

< 0.01

0.1952

44,020

38.24

43,392

37.70

< 0.01

0.0111

 1

33,894

29.42

10,363,659

30.03

0.0133

33,877

29.43

35,261

30.63

0.0262

 2

19,481

16.91

6,757,478

19.58

0.0692

19,465

16.91

19,589

17.02

0.0029

  ≥ 3

17,783

15.44

7,359,953

21.33

0.1525

17,743

15.41

16,863

14.65

0.0213

Comorbidities

Autoimmune diseases

14,647

12.71

5,256,307

15.23

< 0.01

0.0727

14,624

12.70

15,114

13.13

< 0.01

0.0128

Diabetes mellitus

25,247

21.92

9,368,723

27.15

< 0.01

0.1218

25,220

21.91

24,268

21.08

< 0.01

0.0202

CKD

8723

7.57

3,189,248

9.24

< 0.01

0.0602

8703

7.56

8400

7.30

< 0.05

0.0099

COPD

15,792

13.71

5,603,605

16.24

< 0.01

0.0709

15,765

13.70

15,048

13.07

< 0.01

0.0185

Depression

4516

3.92

2,017,321

5.85

< 0.01

0.0896

4502

3.91

4644

4.03

0.1

0.0061

Healthcare utilizations

mean

SD

mean

SD

  

mean

SD

mean

SD

  

No. outpatient visits

25.66

21.26

36.56

26.98

< 0.01

0.4487

25.58

20.96

25.64

21.00

< 0.01

0.0030

No. ER visits

0.43

1.12

0.51

1.40

< 0.01

0.0621

0.42

1.10

0.42

1.25

0.6

0.0018

No. inpatient admissions

0.24

0.65

0.31

0.75

< 0.01

0.1011

0.24

0.65

0.24

0.63

< 0.01

0.0108

  1. CCI charlson comorbidity index, CKD chronic kidney diseases, COPD chronic obstructive pulmonary disease, HZ herpes zoster, ER emergency room, SD standard deviation
  2. aChi-square test for categorical variables, t-test for continuous variables
  3. bMcNemar’s test for categorical variables, paired t-test for continuous variables
Back to article page

BMC Public Health

ISSN: 1471-2458

Contact us