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. Author manuscript; available in PMC: 2017 Dec 1.

Published in final edited form as: JACC Cardiovasc Imaging. 2016 Dec;9(12):1367–1376. doi: 10.1016/j.jcmg.2016.07.013

Table 1.

Anthropometric and clinical measurements between linemen and non-linemen before and after 90 days of American style football participation.

	Linemen (n=30)			Non-Linemen (n=57)
	Preseason	Postseason	P-value	Preseason	Postseason	P-value
Height (cm)	191±5	-----	N/A	185±6	-----	N/A
Weight (kg)	111±12	114±12	0.002	90±9^*	90±9	0.77
BMI (kg/m²)	30.6±3.5	31.2±3.4	0.007	26.4±2.0	26.4±2.1	0.68
BSA (m²)	2.42±0.13	2.44±0.13	0.01	2.14±0.14	2.15±0.13	0.76
Heart Rate (bpm)	66±10	66±10	0.72	64±7^*	59±7^†	<0.001
Systolic BP (mmHg)	122±8	132±10	<0.001	117±11	120±13	<0.001
Diastolic BP (mmHg)	62±8	64±7	0.12	65±7	66±8^†	0.36
Systolic BP < 120	13/30 (43%)	3/30 (10%)	<0.001	28/57 (49%)	29/57 (51%)^†	0.16
Systolic BP 120–139	17/30 (57%)	18/30 (60%)	0.16	29/57 (51%)	24/57 (42%)	0.003
Systolic BP ≥ 140	0/30 (0%)	9/30 (30%)	N/A	0/57 (0%)	4/57 (7%)^†	N/A

BMI = body mass index, BSA = body surface area, BP = blood pressure

^*

p<0.05 for comparison with preseason measurement in linemen.

^†

p<0.05 for comparison with postseason measurement in linemen.