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. Author manuscript; available in PMC: 2020 Apr 1.
Published in final edited form as: J Occup Environ Med. 2019 Apr;61(4):e104–e111. doi: 10.1097/JOM.0000000000001537

Table 2.

Mean, SD, Range, and Coefficient of Variation measured by Vmax and Hexoskin. Correlation and Discrepancy Percentage between Hexoskin and Vmax.

Vmax
Mean		 Vmax
SD		 Vmax
Range		 Hexoskin
Mean		 Hexoskin
SD		 Hexoskin
Range		 Pearson
Correlation
r (p – value)		 Discrepancy
Mean % (SD)		 Hexoskin
Mean CV		 Vmax
Mean CV
HR (beats per minute)
Rest 71 10.1 49 - 83 72 10.0 51 - 84 0.99 (<0.01) −1.34 (2.0) 4.1 4.2
SM 128 9.9 112 - 150 131 9.0 119 - 150 0.91 (<0.01) −2.9 (2.4) 2.1 2.5
M 175 12.4 155 - 202 171 18.0 120 - 199 0.90 (<0.01) 2.4 (5.7) 2.3 1.8
RR (breaths per minute)
Rest 17 2.2 12 - 21 16 2.6 11 - 19 0.84 (<0.01) 8.6 (8.5) 12.5 26
SM 25 5.7 14 - 35 24 5.5 14 - 33 0.95 (<0.01) 3.5 (6.8) 7.3 14
M 38 7.6 28 - 51 36 7.2 25 - 50 0.88 (<0.01) 3.8 (9.3) 9.6 10.2
VT (L per inspiration)
Rest 0.759 0.179 0.465 - 1.115 0.710 0.274 0.328 – 1.341 0.92 (<0.01) 7.3 (23) 42 38
SM 1.997 0.871 1.004 - 4.838 1.951 0.823 0.897 – 4.261 0.82 (<0.01) 1.63 (18.3) 17.1 15.7
M 2.739 0.821 1.492 - 4.429 2.562 0.793 1.099 – 3.990 0.69 (<0.01) 11.2 (17.6) 14 7.6
VE (L per min)
Rest 12.2 2.1 7.7 - 15.4 10.3 2.16 5.8 – 14.4 0.49 (0.05) 15.3 (15.6) 12.4 27
SM 45 10.7 29 – 65 43 12.7 24 – 67 0.81 (<0.01) 5.3 (15.5) 7.5 11.4
M 99 22 67 – 146 88 30 38 – 153 0.85 (<0.01) 11.7 (18.3) 10.3 7.5

Abbreviations: HR, Heart Rate; RR, Respiratory Rate; VT, Tidal Volume; VE, Minute Ventilation; SM, submaximal exercise; M, maximal exercise; CV, Coefficient of Variation.