Table 2.

Comparison of factors relevant to bone metabolism before and after smoking cessation.

	Before	After	p value
Pentosidine (μg/mg/CRE)	0.011 ± 0.0048	0.011 ± 0.0059	0.72
Homocysteine (nmol/mL)	11.3 ± 3.3	10.9 ± 3.2	0.54
PTH (pg/mL)	50.6 ± 29.7	51.2 ± 29.5	0.93
25(OH)D (ng/mL)	20.7 ± 6.5	21.3 ± 6.5	0.66
E2 (pg/mL)	40.1 ± 81.3	24.9 ± 35.4	0.25
Hgb A1c (%)	5.6 ± 0.55	5.7 ± 0.66	0.26