Effect of smoking cessation on cardiac troponin I concentrations

Figures & data

Table 1. Baseline characteristics (mean ± SD) of quitters and continuing smokers and change in weight and waist circumference (mean ± SD) after 12 weeks.

	Quitters	Continuing smokers
	n = 78	n = 30	p Value^a
Age, years	51 ± 8	51 ± 8	.9
Women, no. (%)	57 (73.1)	22 (73.3)	–
Use of medication, no. (%)
Antihypertensives	21 (26.9)	10 (33.3)	–
Statin	14 (17.9)	5 (16.7)	–
Aspirin	12 (15.4)	5 (16.7)	–
No. cigarettes/d	17.5 ± 6.1	18.0 ± 4.4	.7
Systolic blood pressure	115 ± 15	119 ± 16	.2
BMI, kg/m^2	30.5 ± 3.6	30.4 ± 3.5	.9
Weight, kg baseline	89.4 ± 14.5	91.2 ± 15.6	.6
Change in weight	−0.1 ± 3.0	0.2 ± 3.1	.7
Waist, cm baseline	101.0 ± 11.0	101.5 ± 13.0	.7
Change in waist	−2.0 ± 3.8	−0.9 ± 3.9	.2

^aIndependent t-test: p value for change between quitters and continuing smokers.

Table 2. Baseline values of cTnl (ng/L) median (interquartile range) and p values between quitters and continuing smokers – and change after 12 weeks.

	Quitters	Continuing smokers
	n = 78	n = 30	p Value^a
cTnI baseline	1.4 (1.2–2.5)	1.5 (1.2–2.9)	.3
cTnI week 12	1.4 (1.2–2.4)	1.8 (1.3–3.4)	.1
Change in cTnI	0.0 (−0.3–0.3)	0.0 (−0.4–0.3)	.7

^aIndependent t-test: p value for change between quitters and continuing smokers.