Characteristics | Overall N=375 | Race | P value* | Position group | P value* | ||
Black n=216 | White n=158 | Non-linemen n=238 | Linemen n=137 | ||||
Mean (SD) (range) | Mean (SD) (range) | Mean (SD) (range) | |||||
Age, years | 18.8 (1.0) (16–23) | 18.7 (0.8) (17–21) | 19.1 (1.2) (17–23) | <0.001 | 18.9 (1.1) (17–23) | 18.7 (0.9) (17–21) | 0.026 |
Height, cm | 186.6 (6.8) (167.6–203.2) | 186.5 (6.5) (167.6–203.2) | 186.8 (7.1) (170.1–200.7) | 0.639 | 183.8 (5.9) (167.6–196.9) | 191.7 (5.0) (179.7–203.2) | <0.001 |
Weight, kg | 102.3 (20.9) (61.2–162.2) | 102.9 (21.0) (66.9–162.2) | 101.5 (20.7) (61.2–155.4) | 0.542 | 90.6 (10.8) (61.2–125.9) | 122.7 (18.3) (77.1–162.2) | <0.001 |
BSA, m2 | 2.29 (0.26) (1.72–2.94) | 2.30 (0.26) (1.84–2.93) | 2.29 (0.26) (1.72–2.94) | 0.645 | 2.1 (0.15) (1.72–2.56) | 2.55 (0.21) (1.97–2.94) | <0.001 |
Heart rate, bpm | 68.9 (12.2) (41–121) | 68.0 (12.5) (41–121) | 69.9 (11.8) (48–106) | 0.130 | 67.5 (12.1) (41–121) | 71.1 (12.0) (48–105) | 0.006 |
LVEF | 59.6 (5.0) (48–80) | 59.5 (4.9) (50–80) | 59.8 (5.1) (48–78) | 0.510 | 59.6 (5.1) (50–80) | 59.7 (4.7) (48–76) | 0.884 |
*Demographic characteristic differences assessed using independent samples t-test.
BSA, body surface area; LVEF, left ventricle ejection fraction; bpm, beats per minute.