. Author manuscript; available in PMC: 2016 Jan 15.

Published in final edited form as: Am J Cardiol. 2014 Oct 31;115(2):262–267. doi: 10.1016/j.amjcard.2014.10.033

Table 1.

Longitudinal Profile of the American-Style Football Player Cohort

Variable	Pre-Season ASF (N=32)	Post Season ASF (N=32)	P-Value
Age (years)	18.4 ± 0.5	-	-
Height (cm)	189 ± 7	-	-
Weight (kg)	107 ± 21	108 ± 20	0.77
Body-Mass Index (kg/m²)	29.8 ± 4.6	30 ± 4.3	0.78
Caucasian/African-American	14 (44%)/18 (56%)	-	-
Hypertension	0/32 (0%)	-	-
Endurance Exercise Volume (hours/week)	4.1 ± 2.3	-	-
Strength Exercise Volume (hours/week)	5.8 ± 2.2	-	-
Family History of Hypertension	10/32 (31%)	-	-
Tobacco	0/32 (0%)	-	-
Heart Rate (bpm)	66 ± 12	63 ± 11	0.22
Systolic Blood Pressure (mmHg)	114 ± 13	123 ± 9	<0.001
Diastolic Blood Pressure (mmHg)	65 ± 11	71 ± 9	<0.001
Central Aortic Pulse Pressure (mmHg)	27 ± 4	34 ± 8	<0.001
Pulse Wave Velocity (m/sec)	6.4 ± 1.1	6.2 ± 0.9	0.27

ASF: American-style football

Values expressed as the mean ± SD or n (%)