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Table 2 The incidence and risk factors of herpes zoster

From: Chondromalacia patella increases the risk of herpes zoster: a population-based study

Variables

Event

PY

Rate#

(per 1000 PY)

Crude HR

Multivariate HR&

(95% CI)

(95% CI)

Chondromalacia of patella

   

No

5265

716251.9

7.35

1.00

1.00

Yes

1448

182321.0

7.94

1.08 (1.02–1.14)**

1.06 (1.00-1.13)*

Age

     

≤ 49

3249

644208.3

5.04

1.00

1.00

50–64

2442

187042.5

13.06

2.63 (2.50–2.77)***

2.41 (2.28–2.55)***

65+

1022

67322.1

15.18

3.10 (2.88–3.32)***

2.69 (2.49–2.91)***

Sex

     

Female

4663

548359.4

8.50

1.00

1.00

Male

2050

350213.5

5.85

0.69 (0.66–0.73)***

0.81 (0.77–0.85)***

Diabetes

     

No

5950

839308.0

7.09

1.00

1.00

Yes

763

59264.9

12.87

1.84 (1.71–1.99)***

1.07 (0.99–1.16)

CKD

     

No

6615

891938.0

7.42

1.00

1.00

Yes

98

6634.9

14.77

2.03 (1.66–2.48)***

1.19 (0.97–1.46)

CAD

     

No

5980

848569.0

7.05

1.00

1.00

Yes

733

50003.9

14.66

2.12 (1.96–2.29)***

1.20 (1.10–1.30)***

Depression

     

No

6316

862744.4

7.32

1.00

1.00

Yes

397

35828.5

11.08

1.54 (1.39–1.70)***

1.18 (1.07–1.31)**

Cancer

     

No

6398

879227.5

7.28

1.00

1.00

Yes

315

19345.4

16.28

2.28 (2.03–2.55)***

1.50 (1.34–1.68)***

  1. Rate#, incidence rate, per 1,000 person-years; Crude HR, relative hazard ratio; Adjusted HR&: multivariable analysis including age, sex, and comorbidities of diabetes, CKD, CAD, depression and cancer. *p < 0.05, **p < 0.01, ***p < 0.001. CKD: chronic kidney disease; CAD: coronary artery disease