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Table 4 The osteoporosis incidence and risk in keloids patients with comorbidity

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

Variables Patients with keloids Patients without keloids Compared with non-keloids controls
Osteoporosis PY Rate Osteoporosis PY Rate Adjusted HR(95% CI)a
Hyperlipidemia
 No 60 38,378.15 1.56 251 451,138.90 0.57 2.48 (1.85–3.33)*
 Yes 118 10,659.27 11.07 336 60,212.42 5.58 2.74 (2.20–3.42)*
Stroke
 No 143 47,551.35 3.01 501 504,095.08 0.99 2.59 (2.13–3.16)*
 Yes 35 1486.07 23.55 86 7256.23 11.85 2.90 (1.95–4.33)*
Chronic liver disease
 No 81 35,472.65 2.28 338 439,113.30 0.77 2.34 (1.82–3.01)*
 Yes 97 13,564.77 7.15 249 72,238.01 3.45 2.99 (2.34–3.81)*
Depression
 No 125 42,773.81 2.92 467 478,243.51 0.98 2.45 (1.98–3.02)*
 Yes 53 6263.61 8.46 120 33,107.81 3.62 3.30 (2.37–4.61)*
  1. PYs Person-year; Rate, incidence rate 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