Table 1 Baseline characteristics of patients before and after propensity score matching.

From: Cardiorenal outcomes after herpes zoster reactivation in COVID-19 survivors from a global TriNetX study

 

Before Matching

After Matching

Characteristics

COVID-19

with HZ

(n = 1,851)

COVID-19

without HZ

(n = 859,427)

p value

Std diff

COVID-19

with HZ

(n = 1,851)

COVID-19

without HZ

(n = 1,851)

p value

Std diff

Demographics

Age at Index,

mean ± SD

43.3 ± 1.8

43.2 ± 1.8

< 0.05

0.05

43.2 ± 1.8

43.3 ± 1.8

0.78

< 0.01

White (%)

69.5%

53.6%

< 0.01

0.166

69.5%

69.8%

0.81

< 0.01

Female (%)

64.3%

56.6%

< 0.01

0.337

64.3%

63.9%

0.82

< 0.01

Black or African American (%)

10.1%

14.3%

< 0.01

0.128

10.1%

10.2%

0.92

< 0.01

Asian (%)

5.7%

4.2%

0.01

0.074

5.7%

5.4%

0.68

0.01

Diagnosis (%)

Hypertensive diseases

15.6%

7.9%

< 0.01

0.24

15.6%

15.6%

0.97

< 0.01

Diabetes mellitus

6.8%

3.8%

< 0.01

0.13

6.8%

6.7%

0.90

< 0.01

Ischemic heart diseases

1.2%

0.9%

0.11

0.03

1.2%

1.0%

0.65

0.01

Cerebrovascular diseases

0.8%

0.5%

0.04

0.04

0.8%

0.9%

0.87

< 0.01

Medication (%)

Blood glucose regulation agents

7.3%

4.0%

< 0.01

0.14

7.3%

7.2%

0.90

< 0.01

Beta blockers

6.7%

3.3%

< 0.01

0.16

6.7%

6.7%

0.95

< 0.01

Diuretics

6.5%

3.5%

< 0.01

0.14

6.5%

6.3%

0.85

< 0.01

Anti-lipidemia agents

6.1%

3.3%

< 0.01

0.13

6.1%

6.5%

0.60

0.02

Calcium channel blockers

4.4%

2.4%

< 0.01

0.12

4.4%

4.4%

0.94

< 0.01

ACE inhibitor

4.4%

2.4%

< 0.01

0.11

4.4%

4.7%

0.71

0.01

Angiotensin II inhibitors

3.5%

1.6%

< 0.01

0.12

3.5%

3.8%

0.62

0.02

Alpha blockers

1.6%

0.7%

< 0.01

0.08

1.6%

1.5%

0.70

0.01

Laboratory parameter (mean ± SD)

Sodium, mmol/L

138.6 ± 2.7

138.6 ± 2.8

0.55

0.02

138.6 ± 2.7

138.6 ± 2.6

0.79

0.01

Potassium, mmol/L

4.1 ± 0.4

4.1 ± 0.5

0.80

0.01

4.1 ± 0.4

4.1 ± 0.5

0.42

0.05

Hemoglobin, g/dL

13.4 ± 1.9

13.3 ± 2.0

0.88

0.01

13.4 ± 1.9

13.1 ± 2.0

0.05

0.11

Iron, ug/dL

64.6 ± 37.2

71.7 ± 47.4

0.15

0.17

64.6 ± 37.2

81.7 ± 73.6

0.06

0.29

Ferritin, ng/mL

201.1 ± 363.6

204.5 ± 702.9

0.96

0.01

201.1 ± 363.6

152.0 ± 279.8

0.35

0.15

Creatinine, mg/dL

0.9 ± 1.0

1.0 ± 1.6

0.45

0.03

0.9 ± 1.0

0.9 ± 0.8

0.62

0.03

BUN, mg/dL

14.2 ± 8.5

14.1 ± 8.3

0.95

< 0.01

14.2 ± 8.5

14.2 ± 7.8

0.94

< 0.01

Bicarbonate, mmol/L

25.1 ± 3.0

25.3 ± 3.2

0.03

0.08

25.0 ± 3.0

25.4 ± 32

0.06

0.11

ALT, U/L

27.7 ± 24.9

31.5 ± 76.4

0.21

0.07

27.7 ± 24.9

31.0 ± 34.5

0.07

0.11

AST, U/L

25.7 ± 19.9

30.2 ± 84.0

0.18

0.07

25.7 ± 19.9

28.3 ± 34.5

0.13

0.09

Alkaline phosphatase, U/L

81.8 ± 50.5

82.2 ± 59.0

0.86

0.01

81.8 ± 50.5

83.9 ± 56.1

0.54

0.04

Albumin, g/dL

4.1 ± 0.5

4.1 ± 0.5

0.98

< 0.01

4.1 ± 0.5

4.1 ± 0.5

0.79

0.02

Cholesterol, mg/dL

188.8 ± 41.1

188.1 ± 42.3

0.77

0.02

188.8 ± 44.1

183.8 ± 44.3

0.19

0.11

LDL Cholesterol, mg/dL

110.2 ± 36.4

110.2 ± 34.9

1.00

< 0.01

110.2 ± 36.4

105.4 ± 36.6

0.13

0.13

Triglyceride, mg/dL

151.5 ± 131.1

149.6 ± 169.8

0.83

0.01

151.5 ± 131.1

165.1 ± 127.9

0.22

0.11

Hemoglobin A1c, %

6.2 ± 1.9

6.3 ± 1.8

0.57

0.03

6.2 ± 1.9

6.3 ± 1.9

0.58

0.05

Intact PTH, pg/mL

156.7 ± 195.9

136.8 ± 250.5

0.67

0.09

156.7 ± 195.9

196.8 ± 294.7

0.58

0.16

Calcidiol, ng/mL

30.9 ± 16.9

30.7 ± 15.7

0.92

0.01

30.9 ± 16.9

31.1 ± 16.8

0.95

0.01

CRP, mg/L

13.7 ± 32.3

23.1 ± 49.7

0.03

0.22

13.7 ± 32.3

19.4 ± 38.7

0.29

0.16

  1. Abbreviations: ACE, angiotensin-converting enzyme; AKI, acute kidney injury; ALT, alanine aminotransferase; AST, aspartate aminotransferase; BUN, blood urea nitrogen; CKD, chronic kidney disease; CRP, C-reactive protein; eGFR, estimated glomerular filtration rate; HbA1c, hemoglobin A1c; HZ, herpes zoster; LDL, low-density lipoprotein; MACE, major adverse cardiovascular events; PTH, parathyroid hormone; SD, standard deviation; Std diff, standardized difference.