Control group COPD Patients group
Healthy non smoker(N=25) Healthy smokers (N=25) Total(N=50) Stable COPD (N=56) Exacerbated COPD(N=45) Total COPD (N=101)
Urine desmosine (ng/mg creatinine) 8 ± 2.101 10 ± 2.91 9.42 ± 1.37 13.19 ± 2.54** 18.51 ± 2.074*** 15.56 ± 3.53*
Blood desmosine (ng/ml) 0.20 ± 0.045 0.22 ± 0.061 0.21 ± 0.016 0.29 ± 0.045** 0.34 ± 0.034*** 0.31 ± 0.038*
Table 2: Urine and blood desmosine mean levels among the subjects included in this study.