Skip to main content

Table 2 Keloids associated with osteoporosis stratified by age, gender and comorbidities

From: The association between keloid and osteoporosis: real-world evidence

Variables

Patients with keloid

Patients without keloid

Compared with non-keloid

Osteoporosis

PYs

Rate

Osteoporosis

PYs

Rate

IRR (95% CI)

Adjusted HRa (95% CI)

All

178

49,037.42

3.63

587

511,351.32

1.48

3.16 (2.67–3.74)*

2.64 (2.21–3.17)*

Gender

 Men

43

18,664.24

2.30

144

193,172.89

0.75

3.09 (2.19–4.34)*

2.97 (2.04–4.33)*

 Women

135

30,373.18

4.44

443

318,178.43

1.39

3.19 (2.63–3.87)*

2.56 (2.08–3.15)*

Age

 20–49

61

43,388.67

1.41

64

445,735.38

0.14

9.79 (6.89–13.90)*

7.06 (4.93–10.11)*

 > 50

117

5648.75

20.71

523

65,615.94

7.97

2.59 (2.13–3.18)*

2.06 (1.67–2.54)*

Comorbidity

 No

9

16,842.54

0.53

40

279,314.00

0.14

3.73 (1.81–7.69)*

4.98 (2.40–10.29)*

 Yes

169

32,194.88

5.25

547

232,037.32

2.36

2.23 (1.87–2.65)*

2.54 (2.11–3.06)*

  1. PYs Person-year; Rate, incidence rate in per 1000 person-years; IRR Incidence rate ratio in per 1000 person-years; 95% CI 95% Confidence interval; HR Hazard ratio
  2. a Model adjusted for age, gender, Charlson Comorbidity Index and relevant comorbidities
  3. * P< 0.001