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. Author manuscript; available in PMC: 2013 Jul 3.
Published in final edited form as: Circ Arrhythm Electrophysiol. 2011 May 4;4(4):432–440. doi: 10.1161/CIRCEP.111.962852

Table 4.

Clinical characteristics of the longitudinal training cohort

Football (n = 78) P* Crew (n = 68) p*


Pre-season Post-season Pre-season Post-season
Age, years 18.7 ± 0.6 --- 18.7 ± 0.6 ---
Race --- ---
 Caucasian 56 (71.8%) --- 60 (88.2%) ---
 Black 19 (24.4%) --- 2 (2.9%) ---
 Asian 0 --- 6 (8.8%) ---
 Latino 3 (3.8%) --- 0 ---
Height, inches 73.6 ± 2.7 --- 73.6 ± 2.7 ---
Weight, pounds 219.1 ± 35.4 223.2 ± 35.2 <0.001 182.7 ± 22.8 183.1 ± 22.7 0.31
BMI 28.3 ± 3.7 28.9 ± 3.7 <0.001 23.6 ± 2.6 23.7 ± 2.5 0.35
HTN 0 --- 0 ---
Family history of HTN 21 (26.9%) --- 6 (8.8%) ---
Medication use 9 (11.5%) --- 9 (13.2%) ---
Resting HR, bpm 66.6 ± 6.6 66.5 ± 9.7 0.895 61.3 ± 6.3 55.7 ± 4.5 <0.001
Systolic BP, mmHg 116.3 ± 9.0 125.3 ± 13.3 <0.001 114.4 ± 8.7 111.5 ± 8.2 0.002
Diastolic BP, mmHg 64.7 ± 10.8 67.3 ± 10.8 0.008 60.8 ± 9.3 58.7 ± 7.8 0.006
Prior training volume
 Total, hrs/w 9.8 ± 2.4 --- 10.9 ± 3.8
 Strength, hrs/w 7.3 ± 2.6 --- 2.8 ± 3.0 ---
 Endurance, hrs/w 2.6 ± 2.1 --- 7.8 ± 4.6 ---

BMI: body mass index, HTN: hypertension, FH: family history, HR: heart rate, BP: blood pressure, hrs/w: hours/week

*

compared to pre-season within a sport