Table 1 Open in new tab Clinical...

Table 1

Clinical characteristics of the study population (mean and SD)

Variable	Controls (n = 50)	Users (n = 65)	Non-users (n = 50)
Age (years)	33.4 ± 2.8	33.6 ± 2.5	32.8 ± 4.4
Male sex (n)	34	37	33
BSA (m²)	1.87 ± 0.4^*	2.2 ± 0.6	2.01 ± 0.5
HR (beats/min)	77.3 ± 5.4^*	68.4 ± 8.8	67.4 ± 7.7
Systolic BP (mmHg)	124.8 ± 5.5	139.8 ± 8.5^**	128.4 ± 7.3
Diastolic BP (mmHg)	84.5 ± 7.2	85.3 ± 5.5	81.3 ± 4.7

Variable	Controls (n = 50)	Users (n = 65)	Non-users (n = 50)
Age (years)	33.4 ± 2.8	33.6 ± 2.5	32.8 ± 4.4
Male sex (n)	34	37	33
BSA (m²)	1.87 ± 0.4^*	2.2 ± 0.6	2.01 ± 0.5
HR (beats/min)	77.3 ± 5.4^*	68.4 ± 8.8	67.4 ± 7.7
Systolic BP (mmHg)	124.8 ± 5.5	139.8 ± 8.5^**	128.4 ± 7.3
Diastolic BP (mmHg)	84.5 ± 7.2	85.3 ± 5.5	81.3 ± 4.7

BP, blood pressure; BSA, body surface area; HR, heart rate.

P < 0.01: controls vs. users and non-users.

P < 0.01: users vs. non-users and controls.