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. 2021 Jun 3;11:11808. doi: 10.1038/s41598-021-91245-9

Table 1.

Characteristics of the study cohort.

Intervention
N = 50
Control
N = 25
p-value
Age (years) 48 ± 9 46 ± 11 0.7
Sex (female) 27 (53%) 14 (53%) 0.6
SBP (mmHg) 125 ± 15 121 ± 13 0.7
DBP (mmHg) 79 ± 10 76 ± 10 0.6
Heart rate (bpm) 66 ± 9 67 ± 8 0.8
BMI (kg/m2) 27.2 ± 5.1 27.3 ± 5.2 0.9
CO (ppm) 14.9 ± 7.4 15.8 ± 4.9 0.7
Pack-years 38 ± 18 37 ± 19 0.3
LDL-cholesterol (mg/dl) 114 ± 22 118 ± 19 0.5
CRP-hs (mg/dl) 1.8 ± 0.4 1.9 ± 0.5 0.4

SBP systolic blood pressure, DBP diastolic blood pressure, BMI body mass index, BP blood pressure, CO exhaled carbon monoxide, CRP-hs C-reactive protein highly sensitive, values are mean ± SD.